adj.
Pronunciation: ' lü-m ə -n ə s
Function: adjective
Etymology: Middle English, from Latin luminosus, from lumin-, lumen
Date: 15th century
1 a : emitting or reflecting usually steady, suffused, or glowing light b : of or relating to light or to luminous flux
2 : bathed in or exposed to steady light < luminous with sunlight>
3 : CLEAR , ENLIGHTENING
4 : SHINING , ILLUSTRIOUS <a luminous film star> <a luminous performance>
synonyms see BRIGHT
– lu · mi · nous · ly adverb
– lu · mi · nous · ness noun