TERMIUM Plus®

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

DIAPHRAGME OUVERTURE [3 records]

Record 1 2023-08-03

English

Subject field(s)
  • Optical Instruments
  • Medical and Surgical Equipment
CONT

Aperture diaphragm: is the simplest type of beam restricting device. It consists of a sheet of lead with a hole in the center that determines the size and shape of the beam and attaches directly to the x-ray tube.

French

Domaine(s)
  • Instruments d'optique
  • Équipement médico-chirurgical

Spanish

Campo(s) temático(s)
  • Instrumentos ópticos
  • Equipo médico y quirúrgico
Save record 1

Record 2 2004-09-09

English

Subject field(s)
  • Photography
  • Optics
  • Video Technology
OBS

Aperture: Opening of a lens which controls the amount of light that passes to the photographic material, measured in "f" [focal] numbers.

French

Domaine(s)
  • Photographie
  • Optique
  • Vidéotechnique
DEF

Ouverture formée par l'iris du diaphragme à l'intérieur de la lentille.

OBS

Cette ouverture peut être agrandie ou rapetissée par le biais d'un système autofocus ou par contrôle manuel.

Spanish

Save record 2

Record 3 2002-10-09

English

Subject field(s)
  • Photography
CONT

The maximum lens aperture is important because it indicates the largest amount of light that the lens will transmit.

French

Domaine(s)
  • Photographie
DEF

La plus grande ouverture possible [...] formée par l'iris du diaphragme [d'un appareil photo].

Spanish

Save record 3

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: