TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

bottom dead center [2 records]

Record 1 2017-02-10

English

Subject field(s)
  • Engines (Motor Vehicles)
  • Motors (Machinery)
  • Transformation of Momentum (Mechanical Components)
DEF

... refers to the piston at the lowest point possible in the cylinder of an engine. Often this position is marked on the engine flywheel.

CONT

... a stroke occurs when the piston moves from one limiting position to the other. ... The lower limit of piston movement is called BDC (bottom dead center).

OBS

bottom dead center; BDC: term and abbreviation officially approved by the Lexicon Project Committee (New Brunswick).

French

Domaine(s)
  • Moteur (Véhicules automobiles)
  • Moteurs mécaniques
  • Transformations de mouvements (Composants mécaniques)
CONT

Après montage, vérifier la mise en place du piston [...] aux points morts hauts (PMH) et bas (PMB), le jeu doit être réparti également sur toute la périphérie du piston.

OBS

point mort bas; PMB : terme et abréviation uniformisés par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

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Record 2 2000-07-24

English

Subject field(s)
  • Armour
DEF

A piston position where the piston has reached the lower limit of its travel in the cylinder, and the center line of the connection rod is parallel to the cylinder walls.

French

Domaine(s)
  • Arme blindée
DEF

Position du piston à l'extrémité basse de sa course, et la ligne centrale de la bielle étant parallèle aux parois du cylindre.

OBS

point mort bas : terme et définition uniformisés par le Comité de terminologie française du Conseil de doctrine et de tactique de l'Armée de terre.

Spanish

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