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There are 9 fifteen-letter words beginning with PHOTOT

PHOTOTACTICALLYphototactically adv. In terms of or by means of phototaxis.
PHOTOTACTIC adv. exhibiting phototaxis.
PHOTOTELEGRAPHSphototelegraphs n. Plural of phototelegraph.
PHOTOTELEGRAPH n. an instrument for transmitting drawings telegraphically.
PHOTOTELEGRAPHYphototelegraphy n. The fax system.
PHOTOTELEGRAPHY n. the transmission of drawings by phototelegraph.
PHOTOTOPOGRAPHYphototopography n. The surveying and mapping of a terrain based solely on terrestrial photographs.
PHOTOTOPOGRAPHY n. the preparation of topographic maps from photographs.
PHOTOTOXICITIESphototoxicities n. Plural of phototoxicity.
PHOTOTOXICITY n. the state of being phototoxic.
PHOTOTRANSISTORphototransistor n. (Electronics) Any semiconductor device whose electrical characteristics are light-sensitive.
PHOTOTRANSISTOR n. a junction transistor, whose base signal is generated by illumination of the base.
PHOTOTROPICALLYphototropically adv. In a phototropic manner.
PHOTOTROPIC adv. relating to phototropism, movement directed by light.
PHOTOTYPESETTERphototypesetter n. A machine used in phototypesetting.
phototypesetter n. One who phototypesets for their work.
PHOTOTYPESETTER n. one who does phototypesetting.
PHOTOTYPOGRAPHYphototypography n. A photomechanical method of printing made to resemble traditional metal typography.
PHOTOTYPOGRAPHY n. any printing process involving the use of photography.

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: 21 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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