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chemiluminescence

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˌkɛmɪˌluːmɪˈnɛsəns/US:USA pronunciation: respellingUSA pronunciation: respelling(kem′ə lo̅o̅′mə nesəns)


WordReference Random House Unabridged Dictionary of American English © 2026
chem•i•lum•i•nes•cence  (kem′ə lo̅o̅′mə nesəns),USA pronunciation n. 
  1. Chemistry(in chemical reactions) the emission of light by an atom or molecule that is in an excited state.
  • chemi- + luminescence 1900–05
chem′i•lu′mi•nescent, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
chemiluminescence /ˌkɛmɪˌluːmɪˈnɛsəns/ n
  1. the phenomenon in which a chemical reaction leads to the emission of light without incandescence
ˌchemiˌlumiˈnescent adj
'chemiluminescence' also found in these entries (note: many are not synonyms or translations):
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