TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
TROPICAL DAY [9 records]
Record 1 - internal organization data 2016-03-16
Record 1, English
Record 1, Subject field(s)
- Botany
Universal entry(ies) Record 1
Record 1, Main entry term, English
- Easter cactus
1, record 1, English, Easter%20cactus
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
Epiphytic jointed cacti growing on trees or rocke in the tropical forests of southern Brazil. The arching shoots have the functions of leaves. They are flat to five sided. There are only two true species. Unlike the Christmas Cactus(Zygocactus truncatus) the Easter Cactus flowers in spring depending on the temperature and on the length of the day when kept in warm, shady green house. R. gaertneri has beautiful red flowers; R. rosea has smaller pink flowers; R. x graeseri has pink to violet flowers. 2, record 1, English, - Easter%20cactus
Record 1, French
Record 1, Domaine(s)
- Botanique
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- cactus de Pâques
1, record 1, French, cactus%20de%20P%C3%A2ques
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
Cactus originaire des forêts tropicales du sud du Brésil où il pousse dans les arbres et les rochers. Espèce buissonnante, les tiges ressemblent aux maillons d'une chaîne, elles sont formées de segments ovales aplatis. Cultivé comme plante d'intérieur, il fleurit au printemps ou début de l'été selon la température ambiante et la longueur de la clarté du jour. Ses fleurs sont rouge écarlate de 4 à 5 cm de long. Le R. rosea a des fleurs roses plus petites. Le R.x graeseri a des fleurs roses à violettes. 1, record 1, French, - cactus%20de%20P%C3%A2ques
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2014-05-29
Record 2, English
Record 2, Subject field(s)
- Climatology
Record 2, Main entry term, English
- tropical day
1, record 2, English, tropical%20day
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record 2, French
Record 2, Domaine(s)
- Climatologie
Record 2, Main entry term, French
- journée tropicale
1, record 2, French, journ%C3%A9e%20tropicale
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Dès que la température atteint ou dépasse 30 degrés, il s'agit d'une journée tropicale. 2, record 2, French, - journ%C3%A9e%20tropicale
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2012-11-27
Record 3, English
Record 3, Subject field(s)
- Flights (Air Transport)
- Meteorological Forecasting, Data Measurement and Analysis
Record 3, Main entry term, English
- reconnaissance flight
1, record 3, English, reconnaissance%20flight
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
tropical cyclone plan of the day : A coordinated mission plan that tasks operational weather reconnaissance requirements during the next 1100 to 1100 UTC day or as required, describes reconnaissance flights committed to satisfy both operational and research requirements, and identifies possible reconnaissance requirements for the succeeding 24-hour period. 1, record 3, English, - reconnaissance%20flight
Record 3, French
Record 3, Domaine(s)
- Vols (Transport aérien)
- Prévisions météorologiques et mesure et analyse des données
Record 3, Main entry term, French
- vol de reconnaissance
1, record 3, French, vol%20de%20reconnaissance
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2011-05-20
Record 4, English
Record 4, Subject field(s)
- Atmospheric Physics
Record 4, Main entry term, English
- Cirrus spissatus
1, record 4, English, Cirrus%20spissatus
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
- Ci spissatus 2, record 4, English, Ci%20spissatus
correct
- false Cirrus 3, record 4, English, false%20Cirrus
correct
- false cirrus cloud 4, record 4, English, false%20cirrus%20cloud
correct
- thunderstorm cirrus 5, record 4, English, thunderstorm%20cirrus
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
[A cloud] often [originating] from the upper part of a cumulonimbus, and ... often so dense that [it] suggests [a] cloud of the middle level. 5, record 4, English, - Cirrus%20spissatus
Record number: 4, Textual support number: 1 CONT
False cirrus [means] a cloud species unique to the genus cirrus, of such optical thickness as to appear grayish on the side away from the sun, and to veil the sun, conceal its outline, or even hide it. 5, record 4, English, - Cirrus%20spissatus
Record number: 4, Textual support number: 2 CONT
Cirrus spissatus. These are denser ice clouds, usually more than 1 km thick. They are sometimes the remains of tropical thunderheads that formed a day earlier. In summer, Cumulus clouds often follow these clouds within a day or two. 6, record 4, English, - Cirrus%20spissatus
Record 4, French
Record 4, Domaine(s)
- Physique de l'atmosphère
Record 4, Main entry term, French
- Cirrus spissatus
1, record 4, French, Cirrus%20spissatus
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- Ci spissatus 2, record 4, French, Ci%20spissatus
correct, masculine noun
- faux Cirrus 3, record 4, French, faux%20Cirrus
correct, masculine noun
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
[...] nuage [...] souvent originaire de la partie supérieure d'un Cumulonimbus. 4, record 4, French, - Cirrus%20spissatus
Record number: 4, Textual support number: 1 CONT
Cirrus spissatus. Ces nuages de glace aux bords frangés sont plus épais que les cirrus uncinus. Leur épaisseur atteint plus d'un kilomètre. Ils sont souvent les vestiges d'un orage tropical qui se serait formé un jour plus tôt. En été, des cumulus vont souvent suivre ces nuages en moins d'une journée ou deux. 5, record 4, French, - Cirrus%20spissatus
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Física de la atmósfera
Record 4, Main entry term, Spanish
- Cirrus spissatus
1, record 4, Spanish, Cirrus%20spissatus
masculine noun
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
- Ci spissatus 2, record 4, Spanish, Ci%20spissatus
masculine noun
- cirros spissatus 2, record 4, Spanish, cirros%20spissatus
masculine noun
- Cirrus falsos 1, record 4, Spanish, Cirrus%20falsos
masculine noun
Record 4, Textual support, Spanish
Record number: 4, Textual support number: 1 CONT
Veremos un ejemplo de cirros spissatus. Estos suelen formar bandas de 100 a 200 Km de anchura y se extienden con una longitud de centenares de Km. En las imágenes VIS presentan una gama de tonos grises, desde el gris claro al blanco, con su brillo disminuyendo progresivamente desde le centro hacia los bordes. Los elementos individuales pueden ser globulares o elongados y producir sombras detectables. Estas sombras suelen ser de dimensiones uniformes, al contrario de lo que ocurre con las de los cúmulos y Cb, que son irregulares en función de la etapa de desarrollo. 2, record 4, Spanish, - Cirrus%20spissatus
Record number: 4, Textual support number: 1 OBS
Este término se usa porque las nubes a las que hace referencia tienen con frecuencia su origen en la parte superior de los Cumulonimbus. 1, record 4, Spanish, - Cirrus%20spissatus
Record 5 - internal organization data 2010-03-08
Record 5, English
Record 5, Subject field(s)
- Atmospheric Physics
Record 5, Main entry term, English
- daily temperature cycle
1, record 5, English, daily%20temperature%20cycle
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
It is evident that the mountains situated in the tropics have an almost equinoctial yearly sun pattern, whilst in the upper temperate and boreal zones the day span varies widely throughout the year. As a consequence, the daily temperature cycle in tropical mountains shows, all the year round, an almost continuous pattern of severe night frosts and high day temperatures, which implies there is a daily thaw. 1, record 5, English, - daily%20temperature%20cycle
Record 5, French
Record 5, Domaine(s)
- Physique de l'atmosphère
Record 5, Main entry term, French
- cycle quotidien de température
1, record 5, French, cycle%20quotidien%20de%20temp%C3%A9rature
masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Un dernier mécanisme régulateur de la mise à fleurs est enfin la température, et tout spécialement les cycles quotidiens ou annuels de température, autrement dit le thermopériodisme. [...] Les cycles quotidiens de température agissent de la façon la plus puissante, aussi bien sur la formation des fleurs que sur l'ensemble de la vitalité de la plante. Par exemple, les tomates perdent leurs boutons ou leurs jeunes fruits si elles sont maintenues constamment à une température trop chaude : plus de 26 à 30° selon les variétés. Mais si elles reçoivent chaque nuit quelques heures de température fraîche, l'action nocive des températures trop chaudes ne se produit plus. Chez d'autres plantes, le phénomène peut être différent ou même inversé. 1, record 5, French, - cycle%20quotidien%20de%20temp%C3%A9rature
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 2010-03-08
Record 6, English
Record 6, Subject field(s)
- Meteorological Forecasting, Data Measurement and Analysis
- Atmospheric Physics
Record 6, Main entry term, English
- tropospheric temperature
1, record 6, English, tropospheric%20temperature
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
- troposphere temperature 2, record 6, English, troposphere%20temperature
correct
Record 6, Textual support, English
Record number: 6, Textual support number: 1 DEF
Atmospheric temperature extending from the earth’s surface to the tropopause. 2, record 6, English, - tropospheric%20temperature
Record number: 6, Textual support number: 1 CONT
The diurnal variation of the tropospheric temperature on one day in August 1998 at the tropical station Gadanki(13. 5° N, 79. 2° E) has been studied using the MST radar technique. The diurnal variation of the temperature revealed a prominent diurnal variation with the peak in the afternoon hours increasingly delayed in altitude. The tropopause temperature and altitude exhibited a clear diurnal cycle. 1, record 6, English, - tropospheric%20temperature
Record 6, French
Record 6, Domaine(s)
- Prévisions météorologiques et mesure et analyse des données
- Physique de l'atmosphère
Record 6, Main entry term, French
- température troposphérique
1, record 6, French, temp%C3%A9rature%20troposph%C3%A9rique
correct, feminine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
- température de la troposphère 2, record 6, French, temp%C3%A9rature%20de%20la%20troposph%C3%A8re
correct, feminine noun
Record 6, Textual support, French
Record number: 6, Textual support number: 1 CONT
Puisque la température de la troposphère (partie basse de notre atmosphère, dans laquelle se trouve les nuages) diminue avec l'altitude, les nuages de haute altitude (étage supérieur) sont plus froids que ceux de basse altitude (étage inférieur)! 2, record 6, French, - temp%C3%A9rature%20troposph%C3%A9rique
Record number: 6, Textual support number: 2 CONT
Normalement, les stations canadiennes constatent que l'ozone atteint son épaisseur maximale en mars (moyenne tenant compte de facteurs climatologiques), après quoi elle s'appauvrit tout au long du printemps et de l'été, pour atteindre son niveau le plus bas en octobre. Ce cycle est attribuable à des phénomènes atmosphériques à grande échelle. On enregistre également des variations locales bien plus rapides au cours d'une même journée, à la suite de changements dans les variables météorologiques, comme le vent, les configurations de pression, les températures troposphériques et stratosphériques ainsi que la hauteur de la tropopause. 3, record 6, French, - temp%C3%A9rature%20troposph%C3%A9rique
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 2007-01-31
Record 7, English
Record 7, Subject field(s)
- Remote Sensing
Record 7, Main entry term, English
- surface feature
1, record 7, English, surface%20feature
correct, officially approved
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 CONT
... imaging radar systems are active sensors that "illuminate" surface features with broadcast microwave energy and record a returned signal. Most imaging radar systems produce microwaves with wavelengths between 1 cm and 1 meter, longer than the wavelengths used in weather radar to detect rain and snow. These longer wavelength microwave signals propagate through the atmosphere and clouds with almost no interaction or weakening. As a result imaging radar systems can be used to map surface features day or night and in almost any weather conditions. These characteristics make radar imaging especially useful in tropical and polar regions where persistent cloud cover hampers optical remote sensing efforts. 2, record 7, English, - surface%20feature
Record number: 7, Textual support number: 2 CONT
Surface Feature ...: quarries, surface roughness, boulder, fields, rock outcrops, soil type, disturbed soil. 3, record 7, English, - surface%20feature
Record number: 7, Textual support number: 1 OBS
surface feature: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG). 4, record 7, English, - surface%20feature
Record 7, French
Record 7, Domaine(s)
- Télédétection
Record 7, Main entry term, French
- caractéristique de surface
1, record 7, French, caract%C3%A9ristique%20de%20surface
correct, feminine noun, officially approved
Record 7, Abbreviations, French
Record 7, Synonyms, French
- entité de surface 2, record 7, French, entit%C3%A9%20de%20surface
correct, feminine noun
Record 7, Textual support, French
Record number: 7, Textual support number: 1 CONT
Entité de surface [...] : carrières, rugosité de surface, champs de blocs, affleurements rocheux, type de sol, sol perturbé. 2, record 7, French, - caract%C3%A9ristique%20de%20surface
Record number: 7, Textual support number: 1 OBS
caractéristique de surface : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR). 3, record 7, French, - caract%C3%A9ristique%20de%20surface
Record 7, Spanish
Record 7, Campo(s) temático(s)
- Teledetección
Record 7, Main entry term, Spanish
- característica de superficie
1, record 7, Spanish, caracter%C3%ADstica%20de%20superficie
correct, feminine noun
Record 7, Abbreviations, Spanish
Record 7, Synonyms, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 2004-09-30
Record 8, English
Record 8, Subject field(s)
- Meteorological Forecasting, Data Measurement and Analysis
Record 8, Main entry term, English
- current intensity number
1, record 8, English, current%20intensity%20number
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
- CI number 1, record 8, English, CI%20number
correct
- T-number 2, record 8, English, T%2Dnumber
correct
- tropical number 3, record 8, English, tropical%20number
correct
Record 8, Textual support, English
Record number: 8, Textual support number: 1 CONT
... T-numbers are used to measure the intensity of cyclones, they are part of the Dvorak Scale, a methodology for estimating the intensity of tropical cyclones. 4, record 8, English, - current%20intensity%20number
Record number: 8, Textual support number: 2 CONT
The classification number [of the tropical cyclone classification system from satellite imagery] is called the "T-number" or "current intensity (CI) number" and is related to cyclone intensity. 1, record 8, English, - current%20intensity%20number
Record number: 8, Textual support number: 3 CONT
The diagrams at the top of the graph illustrate the day-by-day changes in the shape of the cloud bands for a typical storm. The vertical axis of the graph is the tropical number(T-number) of the tropical cyclone. This number rates the intensity of the storm. Normally, a cyclone will exhibit a growth rate of 1 T-number per day. The straight line represents the intensity change and typical growth rate of a hurricane. The wavy line superimposed on the graph represents the degree of expected variability of intensity on a day-to-day basis. 5, record 8, English, - current%20intensity%20number
Record number: 8, Textual support number: 1 OBS
tropical cyclone classification system from satellite imagery: The classification of a tropical cyclone (on a scale of 1 to 8) from its appearance in visible and/or infrared satellite pictures. 1, record 8, English, - current%20intensity%20number
Record 8, Key term(s)
- T number
- current-intensity number
Record 8, French
Record 8, Domaine(s)
- Prévisions météorologiques et mesure et analyse des données
Record 8, Main entry term, French
- nombre CI
1, record 8, French, nombre%20CI
correct, masculine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
- nombre T 1, record 8, French, nombre%20T
correct, masculine noun
- nombre d'intensité 2, record 8, French, nombre%20d%27intensit%C3%A9
masculine noun
Record 8, Textual support, French
Record number: 8, Textual support number: 1 CONT
Le numéro de classification [du système de classification des cyclones tropicaux d'après les images satellitaires] est appelé «nombre T» ou «nombre CI (current intensity)» et est relié à l'intensité du cyclone. 1, record 8, French, - nombre%20CI
Record number: 8, Textual support number: 2 CONT
[...] l'utilisation de la méthode de Dvorak consiste à parcourir un arbre de décision comprenant une dizaines d'étapes. À la fin, on attribue au système un nombre d'intensité que l'on reporte sur une échelle («l'échelle de Dvorak», on y est.) pour en déduire la vitesse maximale du vent près du centre, ainsi que la pression minimale au cour du système. 2, record 8, French, - nombre%20CI
Record number: 8, Textual support number: 1 OBS
système de classification des cyclones tropicaux d'après les images satellitaires : Classification des cyclones tropicaux (échelle de 1 à 8) basée sur leur morphologie dans les images satellitaires en visible et/ou en infrarouge. 1, record 8, French, - nombre%20CI
Record 8, Spanish
Record 8, Campo(s) temático(s)
- Previsiones meteorológicas, medición y análisis de datos
Record 8, Main entry term, Spanish
- número CI
1, record 8, Spanish, n%C3%BAmero%20CI
masculine noun
Record 8, Abbreviations, Spanish
Record 8, Synonyms, Spanish
- número T 1, record 8, Spanish, n%C3%BAmero%20T
masculine noun
Record 8, Textual support, Spanish
Record number: 8, Textual support number: 1 CONT
El número de clasificación se denomina "número T" o "número CI (current intensity)" y guarda relación con la intensidad del ciclón. 1, record 8, Spanish, - n%C3%BAmero%20CI
Record number: 8, Textual support number: 1 OBS
sistema de clasificación de ciclones tropicales por imágenes satelitales: Clasificación de los ciclones tropicales (escala de 1 a 8) basada en su morfología en las fotografías obtenidas por satélite en visible o infrarrojo. 1, record 8, Spanish, - n%C3%BAmero%20CI
Record 9 - internal organization data 2004-05-20
Record 9, English
Record 9, Subject field(s)
- Climatology
Record 9, Main entry term, English
- season
1, record 9, English, season
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 DEF
Any one of the periods, longer or shorter, into which the year is naturally divided by the earth's changing position in regard to the sun, and which are marked by varying length of day and night, by particular conditions of weather, temperature, etc. More specifically, each of the four equal periods-Spring, Summer, Autumn, Winter-into which the year is divided by the passage of the sun from equinox to solstice and from solstice to equinox; also, each of the two periods-the rainy and the dry-into which the year is divided in tropical climates. 2, record 9, English, - season
Record 9, French
Record 9, Domaine(s)
- Climatologie
Record 9, Main entry term, French
- saison
1, record 9, French, saison
correct, feminine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 DEF
Partie de l'année au cours de laquelle les phénomènes astronomiques ou météorologiques, et par suite les phénomènes biologiques (végétation, animaux, parasites, ...) qui en dépendent directement se manifestent dans des conditions souvent très voisines. 2, record 9, French, - saison
Record number: 9, Textual support number: 1 CONT
En zone tempérée, on distingue habituellement quatre saisons : le printemps, l'été, l'automne et l'hiver. On peut les délimiter astronomiquement par les passages successifs du soleil aux solstices et aux équinoxes. Cette division ne convient pas à toutes les contrées, et l'étude des divers climats permet de distinguer pour chacun des lieux en particulier des caractères, des époques, des durées et même un nombre différent de saisons au cours de l'année. Sur notre globe, les saisons sont déterminées par les variations de la direction des rayons solaires par rapport à l'orientation de l'axe de rotation de la terre. 2, record 9, French, - saison
Record number: 9, Textual support number: 2 CONT
Dans les régions de basses latitudes, on a souvent deux types de saisons liées à la pluviométrie; la saison sèche et la saison des pluies. 2, record 9, French, - saison
Record number: 9, Textual support number: 3 CONT
La saison de végétation ou de croissance correspond à la période pendant laquelle les conditions météorologiques sont favorables à la croissance. 2, record 9, French, - saison
Record 9, Spanish
Record 9, Campo(s) temático(s)
- Climatología
Record 9, Main entry term, Spanish
- estación
1, record 9, Spanish, estaci%C3%B3n
correct, feminine noun
Record 9, Abbreviations, Spanish
Record 9, Synonyms, Spanish
Record 9, Textual support, Spanish
Record number: 9, Textual support number: 1 DEF
Período del año con características marcadas por fenómenos meteorológicos. 2, record 9, Spanish, - estaci%C3%B3n
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2025
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.
- Date Modified: