thio-

• thi- (before vowels)

From Ancient Greek θεῖον (theîon, “sulfur”).

• (Received Pronunciation) IPA^(key): /θʌɪ.ə(ʊ)/
• (General American) IPA^(key): /θaɪ.oʊ/, /θaɪ.ə/

• Audio (US):

  (file)

thio-

1. (chemistry) containing sulfur, especially a compound in which oxygen has been replaced by this element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.

• hoit

From Ancient Greek θεῖον (theîon, “Sulfur”).

• Audio:

  (file)

thio-

1. thio-

From Ancient Greek θεῖον (theîon, “Sulfur”).

• IPA^(key): /ti̯o/, [tʰi̯o]

• Audio:

  (file)

thio-

1. thio-