TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
ULTRADIEN [1 record]
Record 1 - internal organization data 2004-01-29
Record 1, English
Record 1, Subject field(s)
- Biological Sciences
Record 1, Main entry term, English
- circadian
1, record 1, English, circadian
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Designating physiological activity which occurs approximately every twenty-four hours, or the rhythm of such activity. 1, record 1, English, - circadian
Record number: 1, Textual support number: 1 CONT
Circadian rhythms in animals, unlike plants, are almost always acquired. 1, record 1, English, - circadian
Record number: 1, Textual support number: 2 CONT
Circadian activity and noise comparisons of two confined groups with or without reference to clock time. 1, record 1, English, - circadian
Record number: 1, Textual support number: 3 CONT
Both measures revealed highly positive correlations between the mean circadian patterns of the two groups. 1, record 1, English, - circadian
Record number: 1, Textual support number: 1 OBS
"Circadian" might be applied to all "24 hour" rhythms, whether or not their periods are different from 24 hours, longer or shorter, by a few minutes or hours. 1, record 1, English, - circadian
Record 1, French
Record 1, Domaine(s)
- Sciences biologiques
Record 1, Main entry term, French
- circadien
1, record 1, French, circadien
correct
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Se dit de tous les rythmes biologiques apparaissant dans un élevage en conditions constantes dont la périodicité est d’environ 24 h, sans tenir compte de la durée relative du jour et de la nuit. 2, record 1, French, - circadien
Record number: 1, Textual support number: 1 OBS
Si l’on fait intervenir ce dernier facteur [de la durée relative du jour et de la nuit], on utilise le terme de «nycthéméral» [voir cette autre fiche dans TERMIUM]. 2, record 1, French, - circadien
Record number: 1, Textual support number: 1 CONT
Une approche autécologique met en évidence l’importance de certains facteurs abiotiques sur les activités non rythmiques et sur les activités circadiennes et circanniennes des animaux sauvages. 3, record 1, French, - circadien
Record number: 1, Textual support number: 2 OBS
Si la période est inférieure à 20 h ou supérieure à 28 h, on parlera de rythme «ultradien» ou de rythme «infradien». 2, record 1, French, - circadien
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Ciencias biológicas
Record 1, Main entry term, Spanish
- circadiano
1, record 1, Spanish, circadiano
correct
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
[Dícese del] fenómeno biológico de duración de unas 24 horas. 2, record 1, Spanish, - circadiano
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
GCtranslate (available on the Government of Canada network only)
Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.
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: