TERMIUM Plus®

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

STANDARD ILLUMINANT [2 records]

Record 1 2013-03-06

English

Subject field(s)
  • Optics
  • Metrology and Units of Measure
DEF

The light from a filament at 2,848K (2,575 degrees Celsius, 667°F).

OBS

standard illuminant A: term standardized by CEI.

French

Domaine(s)
  • Optique
  • Unités de mesure et métrologie
OBS

lumière étalon A : Lumière émise par un radiateur intégral à la température absolue de 2854 K.

OBS

illuminant normalisé A : terme normalisé par la CEI.

Key term(s)
  • étalon de lumière A

Spanish

Save record 1

Record 2 2011-06-03

English

Subject field(s)
  • Optics
  • Metrology and Units of Measure
  • Illumination Engineering
DEF

Agreed light sources specified in such a way that their energy distribution can be reproduced.

OBS

Any of three standard light intensities, A, B, and C, used for illumination when phenomena involving color are measured. A is the light from a filament at 2,848K (2,575°C/4,667°F), B is noon sunlight, and C is normal daylight. B and C are defined with respect to A.

French

Domaine(s)
  • Optique
  • Unités de mesure et métrologie
  • Éclairagisme
CONT

Pour normaliser les essais pratiques aussi bien que les calculs, la C.I.E. a défini plusieurs lumières étalons, destinées à servir suivant le cas de couleur achromatique (blanc) de référence.

OBS

Voir fiche "illuminants normalisés CIE".

Key term(s)
  • couleur achromatique de référence
  • blanc de référence

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: