- 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.
Origin of formaldehyde
Also called methanal.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for formaldehyde
In the raids that accompanied the arrests, police also found jars filled with formaldehyde containing severed fingers.The Case of the Yakking Yakuza
September 16, 2014
Damien Hirst suspended sharks and cows in formaldehyde, but Tracey Emin had “the bed.”Get Into Bed with Tracey Emin for $2 Million: The Sale of a British Art Icon
May 28, 2014
In the formaldehyde vitrine, the shirtless dancer meets a fellow prey.Scarlett Johansson is an Alien Seductress in ‘Under the Skin’
April 3, 2014
However studies have found dangerous compounds like benzene and formaldehyde in inhaled or secondhand vapor.E-Cigarettes, Facing Ban, Still Figuring Out What They Want to Be
December 19, 2013
Any idea why it tasted like some combination of radiator fluid and formaldehyde?Guy Fieri Battles Scathing New York Times Review by Pete Wells
November 16, 2012
Formaldehyde is the other gas which is commonly used for disinfecting the air of a room.Rural Hygiene
Henry N. Ogden
Strehlenert has proposed the addition of formaldehyde , but this is without result .Researches on Cellulose
C. F. Cross
Formaldehyde is usually sold in solution of about forty per cent.The Sea Shore
William S. Furneaux
Formaldehyde has been used very extensively for this purpose.Encyclopedia of Diet
If formaldehyde is present, there will be a violet coloration.Detection of the Common Food Adulterants
Edwin M. Bruce
- 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: HCHOSystematic name: methanal
C19: form (ic) + aldehyde; on the model of German Formaldehyd
Word Origin and History for formaldehyde
Online Etymology Dictionary, © 2010 Douglas Harper
- A colorless, gaseous compound that is the simplest aldehyde, used for manufacturing melamine and phenolic resins, fertilizers, dyes, and embalming fluids and in aqueous solution as a preservative and disinfectant.
- 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.