TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
ILLUMINANCE RETRO-REFLECTOR [2 records]
Record 1 - internal organization data 1985-11-01
Record 1, English
Record 1, Subject field(s)
- Optics
- Illumination Engineering
Record 1, Main entry term, English
- coefficient of reflex luminous intensity
1, record 1, English, coefficient%20of%20reflex%20luminous%20intensity
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- coefficient of luminous intensity 1, record 1, English, coefficient%20of%20luminous%20intensity
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Quotient of the luminous intensity reflected in the direction considered, by the illuminance at the retro-reflector for given angles of entrance, observation and rotation. 1, record 1, English, - coefficient%20of%20reflex%20luminous%20intensity
Record 1, Key term(s)
- reflex luminous intensity coefficient
- luminous intensity coefficient
Record 1, French
Record 1, Domaine(s)
- Optique
- Éclairagisme
Record 1, Main entry term, French
- coefficient d'intensité lumineuse
1, record 1, French, coefficient%20d%27intensit%C3%A9%20lumineuse
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- coefficient d'intensité lumineuse rétroréfléchie 1, record 1, French, coefficient%20d%27intensit%C3%A9%20lumineuse%20r%C3%A9tror%C3%A9fl%C3%A9chie
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Quotient de l'intensité lumineuse réfléchie dans la direction considérée par l'éclairement du dispositif catadioptrique, pour des angles d'éclairage, de divergence et de rotation donnés. 1, record 1, French, - coefficient%20d%27intensit%C3%A9%20lumineuse
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1985-11-01
Record 2, English
Record 2, Subject field(s)
- Optics
- Illumination Engineering
Record 2, Main entry term, English
- illuminance at the retro-reflector
1, record 2, English, illuminance%20at%20the%20retro%2Dreflector
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
Expression used conventionally to designate the illuminance produced by the source of light and measured in a plane perpendicular to the incident light and passing through the reference centre. 1, record 2, English, - illuminance%20at%20the%20retro%2Dreflector
Record 2, French
Record 2, Domaine(s)
- Optique
- Éclairagisme
Record 2, Main entry term, French
- éclairement du dispositif catadioptrique
1, record 2, French, %C3%A9clairement%20du%20dispositif%20catadioptrique
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Expression employée conventionnellement pour désigner l'éclairement produit par la source d'éclairage, mesuré dans un plan normal aux rayons incidents et passant par le centre de référence. 1, record 2, French, - %C3%A9clairement%20du%20dispositif%20catadioptrique
Record 2, Spanish
Record 2, 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:


