triacylglycerol

[trī-ăs′əl-glĭs′ə-rôl′, -rōl′]

n.

A naturally occurring ester of three fatty acids and glycerol that is the chief constituent of fats and oils.triglyceride

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.