formaldehyde(redirected from HCHO)
Also found in: Thesaurus, Medical, Financial, Acronyms, Encyclopedia.
A pungent colorless flammable gaseous compound, CH2O, the simplest and most reactive aldehyde, used for manufacturing melamine and phenolic resins, fertilizers, dyes, and embalming fluids and in aqueous solution as a preservative and disinfectant.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Elements & Compounds) 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
[C19: form(ic) + aldehyde; on the model of German Formaldehyd]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
form•al•de•hyde(fɔrˈmæl dəˌhaɪd, fər-)
a toxic gas, CH2O, used chiefly in aqueous solution as a disinfectant and preservative.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A colorless gas, CH2O, having a sharp, suffocating odor. It is used in making plastics and is mixed with water to form a solution used to preserve biological specimens.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Switch to new thesaurus
|Noun||1.||formaldehyde - a colorless poisonous gas; made by the oxidation of methanol|
aldehyde - any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids
gas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
formaldehyde[fɔːˈmældɪhaɪd] N → formaldehido m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
formaldehyde[fɔːrˈmældɪhaɪd] n → formaldéhyde mformal dress n
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
n → Formaldehyd m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
formaldehyde[fɔːˈmældɪˌhaɪd] n → formaldeide f
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
n. formaldehído, antiséptico.
English-Spanish Medical Dictionary © Farlex 2012
formaldehyden formaldehído; [Note: The accent is not a misprint.]
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.