n. [ Glyoxal + oxime. ] (Chem.) A white, crystalline, nitrogenous substance, produced by the action of hydroxylamine on glyoxal, and belonging to the class of oximes; also, any one of a group of substances resembling glyoxime proper, and of which it is a type. See Oxime. [ 1913 Webster ]
n. (Chem.) One of a series of isonitroso derivatives obtained by the action of hydroxylamine on aldehydes or ketones. [ 1913 Webster ]
a. [ L. proximus. See Proximate. ] Next; immediately preceding or following. [ Obs. ] [ 1913 Webster ]