English dictionary
thionic
/T//aI/'/A/n/I/k/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
adjective
-
Of or pertaining to sulphur; containing or resembling sulphur; specifically, designating certain of the thio compounds; as, the <i>thionic</i> acids. Cf. <u>Dithionic</u>, <u>Trithionic</u>, <u>Tetrathionic</u>, etc.
Source: webster1913