thio-
Pronunciation
  • IPA: /ˈθaɪoʊ/
Prefix
  1. (chemistry) containing sulfur / sulphur, especially a compound in which oxygen has been replaced by this element
    • 2013, Henri A. Favre and Warren H. Powell, eds., Nomenclature of Organic Chemistry, 765:
      Chalcogen analogues of monocarboxylic acids with retained names may also be named by placing the prefix ‘thio’, ‘seleno’, or ‘telluro’ in front of the name of the acid.



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