orthoformic acid: Meaning and Definition of

or'tho•for'mic ac'id

Pronunciation: (ôr'thu-fôr'mik, ôr"thu-), [key]
— Chem. Chem.
  1. a hypothetical acid, HC(OH), known only in the form of its esters.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.