The word 'Luminous' is a/an-

♦ Luminous: [adjective]
English Meaning: Softly bright or radiant.
Bangla Meaning: 
(১) আলোকোজ্জ্বল; উজ্জ্বল: luminous paint. 
(২) (লাক্ষণিক) স্পষ্ট; সহজবোধ্য।

Other Forms: Luminosity (noun) [uncountable noun] স্পষ্টতা; সহজবোধ্যতা।

Example Sentence:
1. The moon was full, and gave off a luminous blue glow.
2. I saw the cat's luminous eyes in my car's headlights.