Dictionary

niacin

niacin

noun ni·a·cin \ˈnī-ə-sən\

: a type of natural substance (called a vitamin) that is found in certain foods and that helps your body to be healthy

Full Definition of NIACIN

:  an acid C6H5NO2 of the vitamin B complex found widely in animals and plants and used especially against pellagra; also :  nicotinamide —called also nicotinic acid

Origin of NIACIN

nicotinic acid + 1-in
First Known Use: 1942

niacin

noun ni·a·cin \ˈnī-ə-sən\   (Medical Dictionary)

Medical Definition of NIACIN

:  a crystalline acid C6H5NO2 that is a member of the vitamin B complex occurring usually in the form of a complex of niacinamide in various animal and plant parts (as blood, liver, yeast, bran, and legumes) and is effective in preventing and treating human pellagra and blacktongue of dogs—called also nicotinic acid

Browse

Next Word in the Dictionary: niacinamidePrevious Word in the Dictionary: NiAll Words Near: niacin
March 06, 2015
eolian Hear it
Deposited, produced, or eroded by wind
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears