- a salt of formic acid containing the monovalent negative radical HCOO
- an uncharged ester of this acid
The anionic univalent CHO2 group derived from formic acid, or a compound containing this group.
Origin of formateform(ic acid) + –ate2.
(third-person singular simple present formates, present participle formating, simple past and past participle formated)
- (aeronautics) To assemble flying aircraft into formation; to fly in formation.