nicotinamide /-tinˈ/ noun

A member of the vitamin B complex, deficiency of which can lead to the development of the disease pellagra

nicˈotined adjective

nicotinic /-tinˈik/ adjective

nicˈotinism noun

A morbid state induced by excessive use of tobacco

nicotinamide adenine dinucleotide see NAD

nicotine patch noun

A patch impregnated with nicotine and put on the skin to allow gradual absorption into the bloodstream

nicotine replacement therapy noun

A treatment to help people stop smoking, in which small quantities of nicotine are administered by patches, chewing gum, etc, until the craving for cigarettes is cured

nicotinic acid noun

Niacin, a white crystalline substance, a member of the vitamin B complex, deficiency of which is connected with the development of the disease pellagra