Definition of formic acid noun from the Oxford Advanced Learner's Dictionary

 

formic acid

 noun
noun
BrE BrE//ˌfɔːmɪk ˈæsɪd//
 
; NAmE NAmE//ˌfɔːrmɪk ˈæsɪd//
 
[uncountable](chemistry)
 
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an acid made from carbon monoxide and steam. It is also present in a liquid produced by some ants. Word Origin late 18th cent.: formic from Latin formica ‘ant’.
See the Oxford Advanced American Dictionary entry: formic acid