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[as modifier] The group —NH₂, present in amino acids, amides, and many amines.
- ‘There have been numerous reports of abnormal accumulations of amino compounds and amines in tissues of nutrient-deficient plants.’
- ‘Natural proteins are made up of alpha-amino acids, which have a carboxyl group and an amino group separated by one carbon atom.’
- ‘In general, allergic reactions to amino esters are much more common than amino amides’
- ‘They are composed of fatty acids bonded to the amino alcohol sphingosine.’
- ‘From this ensemble, the mean position of the side-chain amino group or the two carboxyl oxygens were determined.’
Late 19th century: from amine.
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