TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
BLOWBACK OPERATION [3 records]
Record 1 - internal organization data 2025-09-03
Record 1, English
Record 1, Subject field(s)
- Small Arms
Record 1, Main entry term, English
- blowback operation
1, record 1, English, blowback%20operation
correct, noun, officially approved
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
In firearms, the direct utilization of breech pressure on the head of a cartridge case to complete the weapon's cycle of operation. 2, record 1, English, - blowback%20operation
Record number: 1, Textual support number: 1 OBS
blowback operation: designation and definition officially approved by the Army Terminology Panel. 3, record 1, English, - blowback%20operation
Record 1, Key term(s)
- blow-back operation
- blow back operation
Record 1, French
Record 1, Domaine(s)
- Armes légères
Record 1, Main entry term, French
- fonctionnement par refoulement des gaz
1, record 1, French, fonctionnement%20par%20refoulement%20des%20gaz
correct, masculine noun, officially approved
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Principe de fonctionnement d'une arme à feu utilisant directement la pression exercée sur la culasse par le culot de la douille pour exécuter le cycle de fonctionnement. 2, record 1, French, - fonctionnement%20par%20refoulement%20des%20gaz
Record number: 1, Textual support number: 1 OBS
fonctionnement par refoulement des gaz : désignation et définition uniformisées par le Groupe d'experts en terminologie de l'Armée de terre; désignation uniformisée par le Groupe de travail de terminologie des armes légères. 3, record 1, French, - fonctionnement%20par%20refoulement%20des%20gaz
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1991-03-19
Record 2, English
Record 2, Subject field(s)
- Small Arms
Record 2, Main entry term, English
- simple blowback operation
1, record 2, English, simple%20blowback%20operation
correct, officially approved
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
System allowing a totally unlocked breech and relying simply on the mass of the bolt and strength of the return spring to prevent the cartridge case from coming back too quickly after firing. See also "delayed blowback operation"; "systems of operation - automatic weapons". 1, record 2, English, - simple%20blowback%20operation
Record number: 2, Textual support number: 1 OBS
Term and definition officialized by the Small Arms Terminology Working Group. 2, record 2, English, - simple%20blowback%20operation
Record 2, French
Record 2, Domaine(s)
- Armes légères
Record 2, Main entry term, French
- fonctionnement par culasse non calée
1, record 2, French, fonctionnement%20par%20culasse%20non%20cal%C3%A9e
correct, masculine noun, officially approved
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Système permettant le tir sans verrouillage de la culasse et utilisant uniquement la masse de celle-ci et la force du ressort de rappel pour empêcher le recul prématuré de la douille au départ du coup. Voir aussi "fonctionnement par culasse non calée à ouverture retardée";"principe de fonctionnement - armes automatiques". 1, record 2, French, - fonctionnement%20par%20culasse%20non%20cal%C3%A9e
Record number: 2, Textual support number: 1 OBS
Terme et définition uniformisés par le Groupe de travail de terminologie des armes légères. 2, record 2, French, - fonctionnement%20par%20culasse%20non%20cal%C3%A9e
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1991-03-12
Record 3, English
Record 3, Subject field(s)
- Small Arms
Record 3, Main entry term, English
- delayed blowback operation
1, record 3, English, delayed%20blowback%20operation
correct, officially approved
Record 3, Abbreviations, English
Record 3, Synonyms, English
- retarded blowback operation 1, record 3, English, retarded%20blowback%20operation
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
System in which the breechblock is not locked but has some mechanical delay incorporated to ensure that it cannot move back fast enough to allow the cartridge case to emerge from the chamber while the pressure is still high. See also "simple blowback operation"; "systems of operation - Automatic weapons". 1, record 3, English, - delayed%20blowback%20operation
Record number: 3, Textual support number: 1 OBS
Term and definition officialized by the Small Arms Terminology Working Group. 2, record 3, English, - delayed%20blowback%20operation
Record 3, French
Record 3, Domaine(s)
- Armes légères
Record 3, Main entry term, French
- fonctionnement par culasse non calée à ouverture retardée
1, record 3, French, fonctionnement%20par%20culasse%20non%20cal%C3%A9e%20%C3%A0%20ouverture%20retard%C3%A9e
correct, masculine noun, officially approved
Record 3, Abbreviations, French
Record 3, Synonyms, French
- fonctionnement par culasse à ouverture retardée 1, record 3, French, fonctionnement%20par%20culasse%20%C3%A0%20ouverture%20retard%C3%A9e
correct, masculine noun
- fonctionnement par culasse non calée à retard d'ouverture 1, record 3, French, fonctionnement%20par%20culasse%20non%20cal%C3%A9e%20%C3%A0%20retard%20d%27ouverture
correct, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Culasse non calée, retardée mécaniquement de manière à ce qu'elle ne puisse reculer assez vite pour permettre à la douille de sortir de la chambre alors que la pression est encore élevée. Voir aussi "fonctionnement par culasse non calée"; "principes de fonctionnement - armes automatiques". 1, record 3, French, - fonctionnement%20par%20culasse%20non%20cal%C3%A9e%20%C3%A0%20ouverture%20retard%C3%A9e
Record number: 3, Textual support number: 1 OBS
Terme et définition uniformisés par le Groupe de travail de terminologie des armes légères. 2, record 3, French, - fonctionnement%20par%20culasse%20non%20cal%C3%A9e%20%C3%A0%20ouverture%20retard%C3%A9e
Record 3, Spanish
Record 3, 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: