luminescence
/ˌluːmɪˈnesns/noun
उच्चारण लूमिनेस्न्स
संदीप्ति, प्रकाश-उत्सर्जन (बिना ऊष्मा के)
Advanced word
noun
- 1
[U] technical
light given out by a substance that is not caused by heat, for example by some chemicals or living things
संदीप्ति, प्रकाश-उत्सर्जन (बिना ऊष्मा के)
- The luminescence of fireflies is produced by a chemical reaction.
- the soft luminescence of the sea at night
Synonyms glow radiance phosphorescence
◇Word family
luminescent adjectiveluminous adjective
≈Synonyms and antonyms
Synonyms
AaSpelling
lumin·es·cence
With -sc- in the middle (not 'luminesence').
Spelling lumin-es-cence है, जिसके बीच में -sc- आता है ('luminesence' गलत है)।
✓In the exam
General knowledge
The light of fireflies is an example of bioluminescence, that is light produced by living things.
जुगनुओं की रोशनी bioluminescence का उदाहरण है, यानी जीवित प्राणियों द्वारा उत्पन्न प्रकाश।