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There are 4 eight-letter words beginning with OPTO

optochinoptogramoptologyoptotype

5 definitions found

  • optochin — n. Ethylhydrocupreine.
  • optogram — n. (Physiology) An image of external objects fixed on the retina…
  • optology — n. (Rare) The study of sight.
  • optotype — n. A standardized symbol for testing vision. — n. An eye chart.
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See this list for:

  • Scrabble in English: 1 word
  • French Wiktionary: 1 word
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: no word
  • Portuguese Wiktionary: 1 word
  • Dutch Wiktionary: 6 words

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