TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
THRESHOLD ILLUMINATION [2 records]
Record 1 - internal organization data 2017-05-12
Record 1, English
Record 1, Subject field(s)
- Signalling and Illumination (Air Transport)
Record 1, Main entry term, English
- visual threshold of illumination
1, record 1, English, visual%20threshold%20of%20illumination
correct, officially approved
Record 1, Abbreviations, English
Record 1, Synonyms, English
- illuminance threshold 2, record 1, English, illuminance%20threshold
correct
- illumination threshold 2, record 1, English, illumination%20threshold
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The smallest illuminance required by the eye to make a light source visible. 1, record 1, English, - visual%20threshold%20of%20illumination
Record number: 1, Textual support number: 1 OBS
visual threshold of illumination: term and definition officially approved by the International Civil Aviation Organization (ICAO). 3, record 1, English, - visual%20threshold%20of%20illumination
Record 1, French
Record 1, Domaine(s)
- Signalisation (Transport aérien)
Record 1, Main entry term, French
- seuil visuel d'éclairement
1, record 1, French, seuil%20visuel%20d%27%C3%A9clairement
correct, masculine noun, officially approved
Record 1, Abbreviations, French
Record 1, Synonyms, French
- seuil d'éclairement lumineux 2, record 1, French, seuil%20d%27%C3%A9clairement%20lumineux
masculine noun
- seuil d'éclairement 2, record 1, French, seuil%20d%27%C3%A9clairement
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Éclairement le plus faible nécessaire à l'œil pour déceler une source lumineuse. 3, record 1, French, - seuil%20visuel%20d%27%C3%A9clairement
Record number: 1, Textual support number: 1 OBS
seuil visuel d'éclairement : terme et définition uniformisés par l'Organisation de l'aviation civile internationale (OACI). 4, record 1, French, - seuil%20visuel%20d%27%C3%A9clairement
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Señales e iluminación (Transporte aéreo)
Record 1, Main entry term, Spanish
- umbral visual de iluminación
1, record 1, Spanish, umbral%20visual%20de%20iluminaci%C3%B3n
correct, masculine noun, officially approved
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
La iluminancia mínima requerida por el ojo para hacer visible una fuente luminosa. 1, record 1, Spanish, - umbral%20visual%20de%20iluminaci%C3%B3n
Record number: 1, Textual support number: 1 OBS
umbral visual de iluminación: término y definición aceptados oficialmente por la Organización de Aviación Civil Internacional (OACI). 2, record 1, Spanish, - umbral%20visual%20de%20iluminaci%C3%B3n
Record 2 - internal organization data 2007-08-10
Record 2, English
Record 2, Subject field(s)
- Solar Energy
Record 2, Main entry term, English
- threshold illumination 1, record 2, English, threshold%20illumination
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record 2, French
Record 2, Domaine(s)
- Énergie solaire
Record 2, Main entry term, French
- éclairement de seuil
1, record 2, French, %C3%A9clairement%20de%20seuil
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Pour un capteur solaire, valeur de la puissance du rayonnement solaire incident pour laquelle l'efficacité est nulle, les gains équilibrant les pertes thermiques. 1, record 2, French, - %C3%A9clairement%20de%20seuil
Record number: 2, Textual support number: 1 CONT
L'éclairement de seuil doit être le plus faible possible. 1, record 2, French, - %C3%A9clairement%20de%20seuil
Record 2, Spanish
Record 2, Textual support, Spanish
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: