单词 | quaternary ammonium salt |
释义 | quaternary ammonium salt [`kwät·ǝn´er·ē ǝ¦mō·nē·ǝm `sȯlt] ORGANIC CHEMISTRY A nitrogen compound in which a central nitrogen atom is joined to four organic radicals and one acid radical, for example, hexamethonium chloride; used as an emulsifying agent, corrosion inhibitor, and antiseptic. |
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