The Collaborative International Dictionary
glyoxylic
Glyoxalic \Gly`ox*al"ic\, a. (Chem.) Pertaining to, or designating, an aldehyde acid, intermediate between glycol and oxalic acid. [Written also glyoxylic.]
Wiktionary
glyoxylic
a. (context organic chemistry English) Of or pertaining to glyoxylic acid or its derivatives