TERMIUM Plus®

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

COPULANT [2 records]

Record 1 2015-03-10

English

Subject field(s)
  • Photography
DEF

Chemical used in colour development where it combines with certain by-products of the development process to form a dye.

French

Domaine(s)
  • Photographie
DEF

Substance que l'on combine avec une émulsion pour produire, par réaction avec le révélateur oxydé, une image colorée au cours d'un développement chromogène.

Spanish

Save record 1

Record 2 1975-03-11

English

Subject field(s)
  • Cinematography
  • Photography
OBS

because of their ability to undergo these condensations (oxidative condensation of certain developing agents), the compounds that comprise active methylene or methine groups are called couplers.

French

Domaine(s)
  • Cinématographie
  • Photographie
OBS

(...) on développe une image latente à l'aide d'une dialcoyl-p-diamine asymétrique, en présence d'un phénol ou d'un composé ayant un groupe méthylène réactif CH2. Le phénol (ou composé) est le formateur ou copulant.

Spanish

Save record 2

Copyright notice for the TERMIUM Plus® data bank

© Public Services and Procurement Canada, 2024
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: