TERMIUM Plus®

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

ECLAIREMENT LUMINEUX [6 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2017-05-12

English

Subject field(s)
  • Signalling and Illumination (Air Transport)
DEF

The smallest illuminance required by the eye to make a light source visible.

OBS

visual threshold of illumination: term and definition officially approved by the International Civil Aviation Organization (ICAO).

French

Domaine(s)
  • Signalisation (Transport aérien)
DEF

Éclairement le plus faible nécessaire à l'œil pour déceler une source lumineuse.

OBS

seuil visuel d'éclairement : terme et définition uniformisés par l'Organisation de l'aviation civile internationale (OACI).

Spanish

Campo(s) temático(s)
  • Señales e iluminación (Transporte aéreo)
DEF

La iluminancia mínima requerida por el ojo para hacer visible una fuente luminosa.

OBS

umbral visual de iluminación: término y definición aceptados oficialmente por la Organización de Aviación Civil Internacional (OACI).

Save record 1

Record 2 2007-02-05

English

Subject field(s)
  • Space Physics
  • Optics
  • Atmospheric Physics
DEF

Quotient of the luminous flux incident on an infinitesimal element of a surface containing the point under consideration, by the area of that element.

CONT

Illuminance (usually 'E' in formulas) is the total amount of visible light illuminating (incident upon) a point on a surface from all directions above the surface. This "surface" can be a physical surface or an imaginary plane. Therefore illuminance is equivalent to irradiance weighted with the response curve of the human eye.

OBS

Standard unit for illuminance is Lux (lx) which is lumens per square meter (lm/m²). There are several older units of illuminance: footcandle: 1 fc = 10.764 lx; phot: 1 ph = 10 000 lx. Typical illuminance values are: 1 lx = full moon; 10 lx = street lighting; 100-1 000 lx = workspace lighting; 10 000 lx = surgery lighting; 100 000 lx = plain sunshine.

OBS

"Illumination" is a deprecated term for "illuminance".

OBS

illuminance: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Physique spatiale
  • Optique
  • Physique de l'atmosphère
DEF

Quotient du flux lumineux reçu par un élément infinitésimal d'une surface entourant le point considéré, par l'aire de cet élément.

OBS

Le symbole de l'éclairement est Er.

OBS

Les unités du Système international (SI) : [...] l'éclairement lumineux E, dont l'unité est le lux (lm/m²) [...]

OBS

éclairement lumineux : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

Campo(s) temático(s)
  • Física espacial
  • Óptica
  • Física de la atmósfera
DEF

Cociente entre el flujo luminoso incidente sobre un elemento infinitesimal de superficie que contiene el punto considerado por el área de dicho elemento.

Save record 2

Record 3 2003-07-16

English

Subject field(s)
  • Meteorology
  • Optics
DEF

Illuminance without any contribution from the direct solar radiation.

OBS

Illumination is a deprecated term for Illuminance.

French

Domaine(s)
  • Météorologie
  • Optique
DEF

Éclairement lumineux sans contribution du rayonnement solaire direct.

Spanish

Campo(s) temático(s)
  • Meteorología
  • Óptica
DEF

Iluminancia a la cual no contribuye la radiación solar directa.

Save record 3

Record 4 2003-03-25

English

Subject field(s)
  • Optics
  • Lighting (Construction)
  • Computer Graphics
DEF

... the amount of light reaching a surface.

DEF

The luminous influx received per unit area.

French

Domaine(s)
  • Optique
  • Éclairage (Construction)
  • Infographie
DEF

[...] flux lumineux reçu par unité de surface.

OBS

Il [flux lumineux] s'exprime en lux (lx). Le lux est l'unité d'éclairement lumineux d'un récepteur situé dans un faisceau lumineux homogène donnant un flux de un lumen par mètre carré et orienté perpendiculairement aux rayons.

OBS

éclairement lumineux; éclairement : termes normalisés par l'AFNOR.

Spanish

Campo(s) temático(s)
  • Óptica
  • Iluminación (Construcción)
  • Gráficos de computadora
Save record 4

Record 5 2002-05-07

English

Subject field(s)
  • Atmospheric Physics
  • Optics
DEF

Illumination due to solar radiation.

French

Domaine(s)
  • Physique de l'atmosphère
  • Optique
DEF

Éclairement dû au rayonnement solaire.

Spanish

Save record 5

Record 6 1976-06-19

English

Subject field(s)
  • Meteorology

French

Domaine(s)
  • Météorologie
OBS

(BT 1 la météorologie)

Spanish

Save record 6

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