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actinic
Definitions
[akˈtɪnɪk], (Adjective)
Definitions:
- (of light or lighting) able to cause photochemical reactions, as in photography, through having a significant short wavelength or ultraviolet component
Phrases:
Origin
:
mid 19th century: from Greek aktis, aktin- ‘ray’ + -ic
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definition by Oxford Dictionaries