| 单词 | formaldehyde | 
| 释义 | Word Frequency formaldehyde(fɔːˈmældɪˌhaɪd) noun 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 Word originC19: form(ic) + aldehyde; on the model of German Formaldehyd | 
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