formic acidPronunciation: /ˈfɔːmɪk/Definition of formic acid noun [mass noun] Chemistry a colourless irritant volatile acid made catalytically from carbon monoxide and steam. It is present in the fluid emitted by some ants. Alternative name: methanoic acid; chemical formula: HCOOH Origin: late 18th century: formic from Latin formica 'ant'formic acid in other Oxford dictionaries Definition of formic acid in the US English dictionary
