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"trichloromethane," volatile liquid used as an anaesthetic, 1835, from French chloroforme, a hybrid coined 1834 by French chemist Jean-Baptiste Dumas (1800-1884) from chlor-, comb. form meaning "chlorine" + formique "formic (acid)" (see formic (adj.)). As a verb, from 1848, the year its anaesthetic properties were discovered. Related: Chloroformed.
chloroform chlo·ro·form (klôr'ə-fôrm')
A clear, colorless, heavy, sweet-smelling liquid used sometimes as a general anesthetic; it has generally been replaced by less toxic, more easily controlled agents.