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lu·mi·nes·cence
 luminescence
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- pronunciation:
- lu
mih
ne
s
 ns
- features:
- Word Combinations (noun)
| part of speech: |
noun |
| definition 1: |
the production of light not caused directly by heat, as by chemical reaction. (Cf. incandescence.)
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| definition 2: |
the light given off by such a process.
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