for·mal·de·hyde (fôr-m l d -h d )n. A colorless gaseous compound, HCHO, the simplest aldehyde, used for manufacturing melamine and phenolic resins, fertilizers, dyes, and embalming fluids and in aqueous solution as a preservative and disinfectant. [form(ic acid) + aldehyde.] |
formaldehyde [fɔːˈmældɪˌhaɪd]
n
(Chemistry / 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
[form(ic) + aldehyde; on the model of German Formaldehyd]
| formaldehyde (fôr-mld-hd) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  formaldehyde - a colorless poisonous gas; made by the oxidation of methanolaldehyde - 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 |
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