illuminance
illuminance · illuminances
The luminous flux incident on unit area of a surfaceThe luminous flux incident on unit area of a surface; commonly measured in lux (lumen/metre²) or otherwise foot-candles. The illuminance of a star upon the earth is frequently measured on a negative logarithmic scale referred to as its apparent magnitude, which see.
Значение
значений: 1(исчисляемое, неисчисляемое)The luminous flux incident on unit area of a surface; commonly measured in lux (lumen/metre²) or otherwise foot-candles. The illuminance of a star upon the earth is frequently measured on a negative logarithmic scale referred to as its apparent magnitude, which see.
the luminous flux incident on a unit area
Формы
мн. число: illuminances| Ед. число | illuminance |
|---|---|
| Мн. число | illuminances |
правильный
Синонимы
синонимов: 1Близкие по смыслу
- the luminous flux incident on a unit area:illumination
Уроки к слову
уроков: 1- A1Исчисляемые и неисчисляемые существительные — Потому что оно может быть неисчисляемым