List of 13-letter words beginning with

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There are 12 thirteen-letter words beginning with PHOTOC

PHOTOCATHODES	• photocathodes n. Plural of photocathode. • PHOTOCATHODE n. a cathode that emits electrons when exposed to radiant energy and esp. light.
PHOTOCHEMICAL	• photochemical adj. (Chemistry) of, relating to, or produced by photochemistry or by photochemical reactions. • photochemical n. Any chemical compound (such as silver halides) used in photography. • PHOTOCHEMICAL adj. of, relating to, or resulting from the chemical action of radiant energy and esp. light.
PHOTOCHEMISTS	• photochemists n. Plural of photochemist. • PHOTOCHEMIST n. a practitioner of photochemistry.
PHOTOCHROMICS	• photochromics n. The study of photochromism. • PHOTOCHROMIC n. a photochromic material.
PHOTOCHROMIES	• photochromies n. Plural of photochromy. • PHOTOCHROMY n. a former process of colour photography.
PHOTOCHROMISM	• photochromism n. The reversible transformation of the optical properties of a material when exposed to electromagnetic… • PHOTOCHROMISM n. the property of changing color on exposure to light or other radiation and of reverting to original color immediately the light or radiation source is removed.
PHOTOCOMPOSED	• photocomposed v. Simple past tense and past participle of photocompose. • PHOTOCOMPOSE v. to set (as reading matter) by photocomposition.
PHOTOCOMPOSER	• photocomposer n. A machine that performs photocomposition. • PHOTOCOMPOSER n. one who photocomposes.
PHOTOCOMPOSES	• photocomposes v. Third-person singular simple present indicative form of photocompose. • PHOTOCOMPOSE v. to set (as reading matter) by photocomposition.
PHOTOCOPIABLE	• photocopiable adj. Capable of being photocopied. • PHOTOCOPIABLE adj. that can be photocopied.
PHOTOCOPYINGS	• photocopyings n. Plural of photocopying. • PHOTOCOPYING n. the act of making a photocopy.
PHOTOCURRENTS	• photocurrents n. Plural of photocurrent. • PHOTOCURRENT n. a stream of electrons produced by photoelectric or photovoltaic effects.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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English Wiktionary: 30 words
Scrabble in French: 20 words
Scrabble in Spanish: no word
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: no word

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