Definition of amine in English:

amine

nounˈeɪmiːn

Chemistry

An organic compound derived from ammonia by replacement of one or more hydrogen atoms by organic groups.
Example sentencesExamples
- In the production of nylon an amine reacts with a carboxylic acid.
- The early coordination compounds prepared using ammonia were metal amines.
- Ammonia and the organic amines, molecules in which one or more of the hydrogen atoms of ammonia are replaced by organic groups, are weak bases.
- Primary amides are prepared by reacting ammonia or amines with acid chlorides, anhydrides, or esters.
- The reaction between the aldehyde and the organic amine or polyamine is usually conducted in the presence of an inert solvent.

Origin

Mid 19th century: from ammonia + -ine⁴.

Definition of amine in US English:

amine

noun

Chemistry

An organic compound derived from ammonia by replacement of one or more hydrogen atoms by organic groups.
Example sentencesExamples
- Ammonia and the organic amines, molecules in which one or more of the hydrogen atoms of ammonia are replaced by organic groups, are weak bases.
- In the production of nylon an amine reacts with a carboxylic acid.
- Primary amides are prepared by reacting ammonia or amines with acid chlorides, anhydrides, or esters.
- The reaction between the aldehyde and the organic amine or polyamine is usually conducted in the presence of an inert solvent.
- The early coordination compounds prepared using ammonia were metal amines.

Origin

Mid 19th century: from ammonia + -ine.

单词	amine
释义	Definition of amine in English: amine nounˈeɪmiːn Chemistry An organic compound derived from ammonia by replacement of one or more hydrogen atoms by organic groups. Example sentencesExamples In the production of nylon an amine reacts with a carboxylic acid. The early coordination compounds prepared using ammonia were metal amines. Ammonia and the organic amines, molecules in which one or more of the hydrogen atoms of ammonia are replaced by organic groups, are weak bases. Primary amides are prepared by reacting ammonia or amines with acid chlorides, anhydrides, or esters. The reaction between the aldehyde and the organic amine or polyamine is usually conducted in the presence of an inert solvent. Origin Mid 19th century: from ammonia + -ine⁴. Definition of amine in US English: amine noun Chemistry An organic compound derived from ammonia by replacement of one or more hydrogen atoms by organic groups. Example sentencesExamples Ammonia and the organic amines, molecules in which one or more of the hydrogen atoms of ammonia are replaced by organic groups, are weak bases. In the production of nylon an amine reacts with a carboxylic acid. Primary amides are prepared by reacting ammonia or amines with acid chlorides, anhydrides, or esters. The reaction between the aldehyde and the organic amine or polyamine is usually conducted in the presence of an inert solvent. The early coordination compounds prepared using ammonia were metal amines. Origin Mid 19th century: from ammonia + -ine.
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