formaldehyde

[ fawr-mal-duh-hahyd, fer- ]
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nounChemistry.
  1. a colorless, toxic, potentially carcinogenic, water-soluble gas, CH2O, having a suffocating odor, usually derived from methyl alcohol by oxidation: used chiefly in aqueous solution, as a disinfectant and preservative, and in the manufacture of various resins and plastics.

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Origin of formaldehyde

1
1870–75; form(ic) + aldehyde; modeled on German Formaldehyd

Words Nearby formaldehyde

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British Dictionary definitions for formaldehyde

formaldehyde

/ (fɔːˈmældɪˌhaɪd) /


noun
  1. a colourless poisonous irritating gas with a pungent characteristic odour, made by the oxidation of methanol and used as formalin and in the manufacture of synthetic resins. Formula: HCHO: Systematic name: methanal

Origin of formaldehyde

1
C19: form (ic) + aldehyde; on the model of German Formaldehyd

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for formaldehyde

formaldehyde

[ fôr-măldə-hīd′ ]


  1. A colorless gas having a sharp, suffocating odor. It is used in making plastics and, when dissolved in a solution of water and methanol, to preserve biological specimens. Chemical formula: CH2O.

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