niacinn.

Brit.

/ˈnʌɪəsᵻn/, U.S.

/ˈnaɪəs(ə)n/

Origin: Formed within English, by derivation. Etymons: nicotinic adj., acid n., -in suffix¹.

Etymology: < ni- (in nicotinic adj.) + ac- (in acid n.) + -in suffix¹. Compare earlier nicotinic acid n. at nicotinic adj. Compounds.

Biochemistry and Medicine.

Originally: nicotinic acid (vitamin B₃). Now also: nicotinamide.

ΚΠ

1942 Times Herald (Olean, N.Y.) 5 Feb. 6 a/3 The name for nicotinic acid, valuable vitamin, has been changed to ‘niacin’ to avoid confusion with nicotine, which it doesn't contain.

1952 Times 23 Feb. 6/4 The drugs are isomers of niacin, anti-pellagra vitamin, which is a member of the vitamin B complex group once known as vitamin B-3.

1970 Nature 16 May 665/2 Niacin is now acceptably defined as a blanket word for the acid and amide.

1972 Materials & Technol. V. xix. 676 The best dietary sources of niacin are yeast, liver, lean meat, poultry, and legumes.

1993 Guardian 15 Sept. i. 6/2 Those who took the B vitamins riboflavin and niacin had a 14 per cent reduction in throat cancer, and a 41 per cent drop in eye cataracts.

This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).

单词	niacin
释义	niacinn. Brit. /ˈnʌɪəsᵻn/, U.S. /ˈnaɪəs(ə)n/ Origin: Formed within English, by derivation. Etymons: nicotinic adj., acid n., -in suffix¹. Etymology: < ni- (in nicotinic adj.) + ac- (in acid n.) + -in suffix¹. Compare earlier nicotinic acid n. at nicotinic adj. Compounds. Biochemistry and Medicine. Originally: nicotinic acid (vitamin B₃). Now also: nicotinamide. ΚΠ 1942 Times Herald (Olean, N.Y.) 5 Feb. 6 a/3 The name for nicotinic acid, valuable vitamin, has been changed to ‘niacin’ to avoid confusion with nicotine, which it doesn't contain. 1952 Times 23 Feb. 6/4 The drugs are isomers of niacin, anti-pellagra vitamin, which is a member of the vitamin B complex group once known as vitamin B-3. 1970 Nature 16 May 665/2 Niacin is now acceptably defined as a blanket word for the acid and amide. 1972 Materials & Technol. V. xix. 676 The best dietary sources of niacin are yeast, liver, lean meat, poultry, and legumes. 1993 Guardian 15 Sept. i. 6/2 Those who took the B vitamins riboflavin and niacin had a 14 per cent reduction in throat cancer, and a 41 per cent drop in eye cataracts. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.1942
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