| Pronunciation: | | `fowtow'kemikul
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WordNet Dictionary |
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| | Definition: | |
[adj] of or relating to or produced by the effects of light on chemical systems |
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PHOTOCHEMICAL is a 13 letter word that starts with P. |
Webster's 1913 Dictionary |
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| | Definition: | | \Pho`to*chem"ic*al\, a. [Photo- + chemical.]
(Chem.)
Of or pertaining to chemical action of light, or produced by
it; as, the photochemical changes of the visual purple of the
retina.
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