-thioniccomb. form

Primary stress is attracted to the second syllable of this combining form and vowels may be reduced accordingly.

Origin: Apparently a borrowing from German, combined with an English element. Etymons: German -thion , -ic suffix.

Etymology: Apparently < German -thion (in e.g. Methionsäure (see methionic adj.); < ancient Greek θεῖον sulphur: see thio- comb. form) + -ic suffix.Found from the early 19th cent. in e.g. hydrothionic acid at hydro- comb. form 7, althionic adj., ethionic adj.

Chemistry.

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Forming adjectives designating compounds that contain sulphur; spec. designating members of a group of acids having a general formula H₂S_nO₆, where n is 2 or more, as dithionic adj., polythionic adj., trithionic adj., etc.

This is a new entry (OED Third Edition, November 2010; most recently modified version published online June 2021).

单词	-thionic
释义	-thioniccomb. form Primary stress is attracted to the second syllable of this combining form and vowels may be reduced accordingly. Origin: Apparently a borrowing from German, combined with an English element. Etymons: German -thion , -ic suffix. Etymology: Apparently < German -thion (in e.g. Methionsäure (see methionic adj.); < ancient Greek θεῖον sulphur: see thio- comb. form) + -ic suffix.Found from the early 19th cent. in e.g. hydrothionic acid at hydro- comb. form 7, althionic adj., ethionic adj. Chemistry. Categories » Forming adjectives designating compounds that contain sulphur; spec. designating members of a group of acids having a general formula H₂S_nO₆, where n is 2 or more, as dithionic adj., polythionic adj., trithionic adj., etc. This is a new entry (OED Third Edition, November 2010; most recently modified version published online June 2021). < comb. form
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