acetothienone

noun

ace·​to·​thi·​enone

¦a-sə-(ˌ)tō-ˈthī-ə-ˌnōn,

ə-ˌsē-tō-

plural -s

: an oily liquid ketone CH₃COC₄H₃S formed by the acetylation of thiophene; methyl 2-thienyl ketone

Word History

Etymology

International Scientific Vocabulary acet- + thienone

First Known Use

1886, in the meaning defined above

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