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luminescence

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luminescence/ˌluːməˈnɛsn̩s/noun
luminescence
/ˌluːməˈnɛsn̩s/
noun
Learner's definition of LUMINESCENCE  
[noncount]technical
: the creation of light by processes that do not involve heat
also : the light created

— luminescent

/ˌluːməˈnɛsn̩t/adjective,[more luminescent; most luminescent]
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