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a colorless, pungent liquid with vesicant properties, from nettles and ants and other insects; derivable from oxalic acid and from glycerin and from the oxidation of formaldehyde.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
for·mic ac·id(fōr'ik as'id),
HCOOH; the smallest carboxylic acid; a strong caustic, used as an astringent and counterirritant.
Farlex Partner Medical Dictionary © Farlex 2012
for·mic ac·id(fōr'mik as'id)
The smallest carboxylic acid; a strong caustic, used as an astringent and counterirritant.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
formic acid (methanoic acid)a colourless, corrosive, fuming liquid with a pungent smell. It occurs in ants and in certain plants and is the simplest of the CARBOXYLIC ACIDS. Formula: HCOOH.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005