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formic acid
noun Chemistry, Pharmacology.
a colorless, irritating, fuming, water-soluble liquid, CH2O2, originally obtained from ants and now manufactured synthetically, used in dyeing and tanning and in medicine chiefly as a counterirritant and astringent.
Origin:
1785–95
1785–95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Formic acid
is always a great word to know.
So is heterogeneous. Does it mean:
| a mixture composed of different substances or the same substance in different phases, such as solid ice and liquid water |
| a colorless, pungent, suffocating, highly water-soluble, gaseous compound, NH3, usually produced by the combination of nitrogen and hydrogen gases |
Collins
World English Dictionary
| formic acid | |
| —n | |
| Systematic name: methanoic acid a colourless corrosive liquid carboxylic acid found in some insects, esp ants, and many plants: used in dyeing textiles and the manufacture of insecticides and refrigerants. Formula: HCOOH | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
formic acid
1791, coined from L. formica "ant;" so called because it was obtained from red ants.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
formic acid for·mic acid (fôr'mĭk)
n.
A colorless caustic fuming liquid used in dyeing and finishing textiles and paper and in the manufacture of fumigants, insecticides, and refrigerants.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
formic acid  (fôr'mĭk) Pronunciation Key
A colorless, caustic, fuming liquid that occurs naturally as the poison of ants and stinging nettles. It is used in making textiles and paper and in insecticides. Formic acid is the simplest organic acid, containing a carboxyl (COOH) group attached to a hydrogen. Chemical formula: CH2O2. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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