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There are 2 twelve-letter words containing OPTRI

CATADIOPTRICcatadioptric adj. (Optics) Of or pertaining to optical systems that employ both refractive (dioptric) and reflective (catoptric)…
CATADIOPTRIC adj. relating to or employing both reflection and refraction, as in the construction of some long-focal-length photographic lenses, also CATADIOPTRICAL.
DIOPTRICALLYdioptrically adv. In a dioptric manner.
DIOPTRICAL adv. transparent, also DIOPTRIC.

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: 2 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 4 words


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