fatty acid

noun

Biochemistry.

1. any of a class of aliphatic acids, especially palmitic, stearic, or oleic acid, consisting of a long hydrocarbon chain ending in a carboxyl group that bonds to glycerol to form a fat.

fatty acid

noun

1. any of a class of aliphatic carboxylic acids, such as palmitic acid, stearic acid, and oleic acid, that form part of a lipid molecule

2. another name for carboxylic acid, used esp of a naturally occurring one

fatty acid

1. Any of a large group of organic acids, especially those found in animal and vegetable fats and oils. Fatty acids are mainly composed of long chains of hydrocarbons ending in a carboxyl group. A fatty acid is saturated when the bonds between carbon atoms are all single bonds. It is unsaturated when any of these bonds is a double bond.

Word History and Origins

Origin of fatty acid¹

First recorded in 1860–65