aldehyde

Etymology

Borrowed from German Aldehyd, a contraction of the Latin al(cohol) dehyd(rogenātum).

noun

  1. (organic chemistry) Any of a large class of reactive organic compounds (R·CHO) having a carbonyl functional group attached to one hydrocarbon radical and a hydrogen atom.
    The air smells of strange, oceanic aldehydes. 2020, N. K. Jemisin, The City We Became, Orbit, page 180

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