Word: etendue
Part of speech: Noun
Syllables: e
ten
due
Definition: A conserved property of the light in an optical system which characterizes how "spread out" the light is in terms of angle and area: it is the product of its cross-sectional area (normal to the direction of propagation) and the solid angle it subtends.
Morphemes:
Affix: etendue
Language: en
PoS: Noun
Meaning: A conserved property of the light in an optical system which characterizes how "spread out" the light is in terms of angle and area: it is the product of its cross-sectional area (normal to the direction of propagation) and the solid angle it subtends.
Etymology Compounds: Affix: étendue
Language: fr
Decoded: etendue
Meaning: area, expanse; size; extent, range, scale