Chem. [f. TRI- 5 (irregularly used) + GLYCERIDE.] A compound in which three acid radicals are united by oxygen to glyceryl; i.e., they replace the three H atoms of the OH gronps in glycerin or glycerol, C3H5(OH)3; e.g., stearin is called the triglyceride of stearic acid.

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1860.  Debus, in Q. Jrnl. Chem. Soc., XII. 243.

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1895.  Lewkowitsch, Benedikt’s Oils, Fats, Waxes, 46. Glycerol … deporting itself like a trihydric base, is able to combine with three radicles of fatty acids…. The resulting compounds are called ‘triglycerides.’

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1912.  Thorpe, Dict. App. Chem. (ed. 2), I. 577. The glycerides of butter fat contain butyric, caproic, caprylic, capric, lauric, myristic, palmitic, stearic, and oleic acids, as triglycerides.

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