Thione

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A ketone-like compound in which the oxygen is replaced by sulfur, having the general formula R₂C=S

Synonyms

thioketone thioketone

Etymology

From thio- + -one.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.