Dichloroformic

Part of speech: adjective

Definitions

1. Relating to or derived from an acid containing two chlorine atoms and a formyl group; describing chemical compounds with these structural components; referring to substances characterized by dichlorination and formylation in organic chemistry
2. Pertaining to molecules that include two chlorine atoms attached to a formic acid derivative; indicating compounds with a specific halogenated carboxylic acid structure; associated with chemicals featuring dichloro and formyl functional groups
3. Concerning an acid or compound composed of a formyl group and a pair of chlorine atoms; identifying substances defined by this halogenated acid moiety; describing the molecular framework combining dichloride substitution with formic acid elements

Etymology: Dichloroformic is a chemistry coinage built from classical parts rather than an old word with a dramatic past. "Di-" comes from Greek "dis," meaning "twice" or "two," and "chloro-" refers to chlorine, a name the English chemist Humphry Davy gave in 1810 by adapting the Greek "chlōros," meaning "pale green," for the yellow-green gas. "Formic" comes from Latin "formica," "ant," because formic acid was first obtained by distilling red ants in the 1670s by the English naturalist John Ray and his collaborators. Putting these together, "dichloroformic" describes a formic acid in which two hydrogen atoms have been replaced by chlorine atoms. Chemists build such names systematically, so the word is essentially a label that spells out its own structure. Its earliest uses would have come in the nineteenth or twentieth century, when this naming system was in use, and it reflects the same logic that produced terms like "trichloroacetic."

Synonyms: dichloromethanoic