TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
AIR HOLE [5 records]
Record 1 - external organization data 2023-01-19
Record 1, English
Record 1, Subject field(s)
- Compartment - National Occupational Classification (NOC)
Record 1, Main entry term, English
- smoking pipe air hole driller
1, record 1, English, smoking%20pipe%20air%20hole%20driller
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, French
Record 1, Domaine(s)
- Tiroir – Classification nationale des professions (CNP)
Record 1, Main entry term, French
- perceur de trous d'aspiration dans les pipes pour fumeurs
1, record 1, French, perceur%20de%20trous%20d%27aspiration%20dans%20les%20pipes%20pour%20fumeurs
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- perceuse de trous d'aspiration dans les pipes pour fumeurs 1, record 1, French, perceuse%20de%20trous%20d%27aspiration%20dans%20les%20pipes%20pour%20fumeurs
correct, feminine noun
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2004-10-21
Record 2, English
Record 2, Subject field(s)
- Atmospheric Physics
- Aerodynamics and Theory of Gases
- Aircraft Piloting and Navigation
Record 2, Main entry term, English
- downdraught
1, record 2, English, downdraught
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- downdraft 2, record 2, English, downdraft
correct
- down draft 3, record 2, English, down%20draft
correct
- air pocket 4, record 2, English, air%20pocket
correct, see observation, obsolete
- air bump 5, record 2, English, air%20bump
avoid, see observation
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A relative small scale downward current of air; often observed on the lee side of large objects restricting the smooth flow of air, or in precipitation areas in or near cumuliform clouds. 2, record 2, English, - downdraught
Record number: 2, Textual support number: 1 OBS
air pocket: an expression used in the early days of aviation for a downdraft. Pioneer pilots at first imagined these downdrafts to be "pockets" in which there was insufficient air to support the plane. 6, record 2, English, - downdraught
Record number: 2, Textual support number: 2 OBS
air pocket: colloquial. 7, record 2, English, - downdraught
Record number: 2, Textual support number: 3 OBS
The terms "hole in the air" and "hole" are slang. 8, record 2, English, - downdraught
Record number: 2, Textual support number: 4 OBS
The terms "air bump" and "bump" are erroneously used to mean air pocket. 8, record 2, English, - downdraught
Record 2, Key term(s)
- down draught
- hole in the air
- hole
- bump
Record 2, French
Record 2, Domaine(s)
- Physique de l'atmosphère
- Théorie des gaz et aérodynamique
- Pilotage et navigation aérienne
Record 2, Main entry term, French
- courant descendant
1, record 2, French, courant%20descendant
correct, masculine noun, officially approved
Record 2, Abbreviations, French
Record 2, Synonyms, French
- rabattant 2, record 2, French, rabattant
correct, see observation, masculine noun, officially approved
- trou d'air 3, record 2, French, trou%20d%27air
correct, see observation, masculine noun, officially approved
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Mouvement vers le bas d'une colonne d'air, habituellement associé à un nuage convectif. Le courant est à l'échelle du nuage. 4, record 2, French, - courant%20descendant
Record number: 2, Textual support number: 1 CONT
Le mouvement de l'air turbulent se manifeste sous forme de poussées momentanées et rapides qui peuvent présenter une orientation absolument quelconque. Parmi celles-ci, on peut distinguer : les rafales qui ne concernent que les variations de la vitesse horizontale du vent, sans modification de direction; les mouvements verticaux qui englobent tous les courants aériens ascendants ou descendants. 5, record 2, French, - courant%20descendant
Record number: 2, Textual support number: 1 OBS
Le terme «rabattant» semble employé par les pilotes pour décrire le phénomène de courant descendant lors du survol des régions montagneuses. Cependant, cette particularité n'est consignée dans aucune source. De plus, le terme «rabattant» est un terme de jargon. 6, record 2, French, - courant%20descendant
Record number: 2, Textual support number: 2 CONT
On a attribué longtemps la turbulence à la présence de «trous d'air», en fait il n'y a pas de «trous» dans l'air, la turbulence est généralement due à des déflections vers le haut ou vers le bas du vent horizontal. 7, record 2, French, - courant%20descendant
Record number: 2, Textual support number: 2 OBS
Le terme «trou d'air» n'est pas qualifié de terme vieilli dans les dictionnaires contrairement à son équivalent anglais «air pocket». 6, record 2, French, - courant%20descendant
Record number: 2, Textual support number: 3 OBS
Les termes «courant descendant», «rabattant» et «trou d'air» ont été uniformisés par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes. 6, record 2, French, - courant%20descendant
Record 2, Key term(s)
- descendance
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Física de la atmósfera
- Aerodinámica y teoría de los gases
- Pilotaje y navegación aérea
Record 2, Main entry term, Spanish
- corriente descendente
1, record 2, Spanish, corriente%20descendente
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
- corriente de aire descendente 2, record 2, Spanish, corriente%20de%20aire%20descendente
correct, feminine noun
- bolsa de aire 3, record 2, Spanish, bolsa%20de%20aire
correct, feminine noun
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Movimiento hacia abajo de una columna de aire, asociada habitualmente a una nube convectiva. La corriente es de la escala de una nube. 4, record 2, Spanish, - corriente%20descendente
Record 3 - internal organization data 1998-09-30
Record 3, English
Record 3, Subject field(s)
- Metal Processing
- Platemaking (Printing)
Record 3, Main entry term, English
- blowhole
1, record 3, English, blowhole
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- gas cavity 2, record 3, English, gas%20cavity
correct
- air hole 3, record 3, English, air%20hole
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A hole produced in a casting when gas, entrapped while the mould is being filled, or evolved during the solidification of metal, fails to escape and is held in pockets. 2, record 3, English, - blowhole
Record 3, Key term(s)
- porosity
- blow hole
Record 3, French
Record 3, Domaine(s)
- Transformation des métaux
- Clicherie (Imprimerie)
Record 3, Main entry term, French
- soufflure
1, record 3, French, soufflure
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- pustule 2, record 3, French, pustule
correct, feminine noun, less frequent
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Trou dans une pièce coulée ou une soudure produit par piégeage de gaz pendant la solidification. 3, record 3, French, - soufflure
Record number: 3, Textual support number: 1 CONT
Avec certains aciers dits «effervescents», il peut se dégager des gaz pendant la fusion. Si le métal se solidifie avant que ces gaz aient pu s'échapper, ils [forment des soufflures internes ou des pustules]. 2, record 3, French, - soufflure
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1992-04-21
Record 4, English
Record 4, Subject field(s)
- Shipbuilding
Record 4, Main entry term, English
- air hole
1, record 4, English, air%20hole
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 OBS
Terminology officially approved by the Naval Terminology Standardization Committee. 2, record 4, English, - air%20hole
Record 4, French
Record 4, Domaine(s)
- Constructions navales
Record 4, Main entry term, French
- trou d'air
1, record 4, French, trou%20d%27air
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 OBS
Terminologie officialisée par le Comité de normalisation de la terminologie navale. 2, record 4, French, - trou%20d%27air
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1991-06-26
Record 5, English
Record 5, Subject field(s)
- Air Conditioning and Heating
Record 5, Main entry term, English
- air hole 1, record 5, English, air%20hole
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, French
Record 5, Domaine(s)
- Conditionnement de l'air et chauffage
Record 5, Main entry term, French
- trou d'évent
1, record 5, French, trou%20d%27%C3%A9vent
masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record 5, Spanish
Record 5, Textual support, Spanish
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: