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There are 7 twelve-letter words beginning with PHOTOC

PHOTOCATHODEphotocathode n. (Physics) A cathode that emits electrons when exposed to light.
PHOTOCATHODE n. a cathode that emits electrons when exposed to radiant energy and esp. light.
PHOTOCHEMISTphotochemist n. (Chemistry) A chemist whose speciality is photochemistry.
PHOTOCHEMIST n. a practitioner of photochemistry.
PHOTOCHROMICphotochromic adj. Of, related to, or produced by photochromism.
photochromic adj. (Chemistry) Relating to the part of a molecule responsible for its photochromism.
PHOTOCHROMIC adj. changing colour, and hence changing the amount of light transmitted when the incident light increases, or decreases.
PHOTOCOMPOSEphotocompose v. To use photocomposition to prepare text for printing.
PHOTOCOMPOSE v. to set (as reading matter) by photocomposition.
PHOTOCOPIERSphotocopiers n. Plural of photocopier.
PHOTOCOPIER n. a machine for copying.
PHOTOCOPYINGphotocopying v. Present participle of photocopy.
photocopying n. The process by which photocopies are made.
PHOTOCOPYING n. the act of making a photocopy.
PHOTOCURRENTphotocurrent n. Any electric current that flows as a result of photoconductivity or the photovoltaic effect.
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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See this list for:

  • English Wiktionary: 32 words
  • Scrabble in French: 16 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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