Found 1 items, similar to C2O2.
English → English (gcide) Definition: C2O2 Oxalyl \Ox"a*lyl\, n. [Oxalic + -yl.] (Chem.) (a) A hydrocarbon radical (C2O2) regarded as a residue of oxalic acid and occurring in derivatives of it. (b) An old name for carbonyl. (c) An old name for carboxyl. [1913 Webster]