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The Collaborative International Dictionary
Triglyceride

Triglyceride \Tri*glyc"er*ide\, n. [Pref. tri- + glyceride.] (Chem.) A glyceride formed by the replacement of three hydrogen atoms in glycerin by acid radicals.

Douglas Harper's Etymology Dictionary
triglyceride

1860, malformed from tri- + glyceride. So called for the three radicals which replace the three hydrogen atoms.

Wiktionary
triglyceride

n. (context chemistry English) A lipid, an ester of glycerol and three fatty acids (the same or different); the major constituent of animal and vegetable fats.

WordNet
triglyceride

n. glyceride occurring naturally in animal and vegetable tissues; it consists of three individual fatty acids bound together in a single large molecule; an important energy source forming much of the fat stored by the body

Wikipedia
Triglyceride

A triglyceride (TG, triacylglycerol, TAG, or triacylglyceride) is an ester derived from glycerol and three fatty acids (tri- + glyceride). Triglycerides are the main constituents of body fat in humans and animals, as well as vegetable fat. They are also present in the blood to enable the bidirectional transference of adipose fat and blood glucose from the liver, and are a major component of human skin oils.

There are many different types of triglyceride, with the main division being between saturated and unsaturated types. Saturated fats are "saturated" with hydrogen – all available places where hydrogen atoms could be bonded to carbon atoms are occupied. These have a higher melting point and are more likely to be solid at room temperature. Unsaturated fats have double bonds between some of the carbon atoms, reducing the number of places where hydrogen atoms can bond to carbon atoms. These have a lower melting point and are more likely to be liquid at room temperature.

Usage examples of "triglyceride".

And as expected, the high-fiber diet reduced concentrations of cholesterol and triglycerides, important factors in cardiovascular disease.

All the fats and oils we eat are called triglycerides, because they consist of three fatty acid chains, each attached at one end to the same glycerol molecule.

To make bio-diesel the triglyceride molecules have to be broken down to separate out the glycerol, which is a useful byproduct of the whole process but not a good thing to burn in a modern computer-controlled diesel engine.

They were also careful to let me know that all my medical bills had been picked up by the department—therefore the department had received copies of all my lab tests and there was some concern over my cholesterol level, triglycerides, whatever.

I smiled back and said it was funny how they never gave a shit about my stress level or triglycerides when I was out there doing the job.

Then the amino acids, other proteins, starches and triglycerides – they’re often found together, too.

The man appeared to be healthy, with low normal cholesterol and triglycerides and normal EKG.