niacin

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

ni·a·cin /ˈnaɪəsɪn/ noun [uncountable] a type of vitamin that is good for your skin and your nervous system 烟酸〔一种有益于皮肤和神经系统的维生素〕

Examples from the Corpus

niacin• Untreated maize is reluctant to give up its B vitamins, particularly its niacin.Origin niacin (1900-2000) nicotine + acid + -in chemical compound

ni·a·cin nounChineseSyllable

vitamin a good of Corpus is type that

niacin
ni‧a‧cin /ˈnaɪəsən, ˈnaɪəsɪn/

noun [uncountable]

Date: 1900-2000
Origin: nicotine + acid + -in chemical compound

a type of vitamin that is good for your skin and your nervous system

nia·cin

BrE

/ˈnaɪəsɪn/

🔊

NAmE

/ˈnaɪəsɪn/

🔊

(

also ˌnico·tin·ic ˈacid

)

noun

[uncountable]

vitamin

of the B group that is found in foods such as milk and meat 烟酸，尼克酸，烟碱酸（B 类维生素，存在于牛奶、肉类等食物中）