Term: unsaturated fatty acid: a fatty acid whose carbon chain can absorb additional hydrogen atoms
Broader: fatty acid: any of a class of aliphatic monocarboxylic acids that form part of a lipid molecule and can be derived from fat by hydrolysis; fatty acids are simple molecules built around a series of carbon atoms linked together in a chain of 12 to 22 carbon atoms | Unrelated: brush discharge: discharge between electrodes creating visible streamers of ionized particles
Broader: fatty acid: any of a class of aliphatic monocarboxylic acids that form part of a lipid molecule and can be derived from fat by hydrolysis; fatty acids are simple molecules built around a series of carbon atoms linked together in a chain of 12 to 22 carbon atoms | Unrelated: cullis: a gutter in a roof