olein

(ō′lē in)

noun

a liquid glyceride, (CHCO)CH, present in olive oil and certain other oils and fats
the liquid part of any fat, as distinguished from the solid part

Origin: Fr oléine < L oleum, oil

See olein in American Heritage Dictionary 4

noun

An oily yellow liquid, (C₁₇H₃₃COO)₃C₃H₅, occurring naturally in most fats and oils and used as a textile lubricant.

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