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• amino
  amino

  adjective

  containing the amino group.
• amino-
  amino-

  a combining form used in the names of chemical compounds in which the amino group is present.

amino

¹ American  

[uh-mee-noh, am-uh-noh] / əˈmi noʊ, ˈæm əˌnoʊ /

adjective

Chemistry.

1. containing the amino group.

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amino- ² American  

1. a combining form used in the names of chemical compounds in which the amino group is present.

   aminobenzene.

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amino ¹ British  

/ -ˈmiː-, əˈmaɪnəʊ /

noun

1. (modifier) of, consisting of, or containing the group of atoms -NH 2

   amino group or radical

   amino acid

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amino- ² British  

combining form

1. indicating the presence of an amino group

   aminobenzoic acid

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amino Scientific  

/ ə-mē′nō,ăm′ə-nō′ /

1. Relating to an amine or other chemical compound that contains the group NH ₂.

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Etymology

Origin of amino¹

First recorded in 1900–05; independent use of amino-

Origin of amino-²

amine + -o-

Example Sentences

See Examples For:

amino amino-

Histidine is an essential amino acid, but bees require it only in relatively small amounts.

From Science Daily ● Aug. 19, 2026

To explore this nutritional mismatch, researchers compared the essential amino acid composition of honeybee tissues with pollen collected from 99 UK flowering plant species representing 26 plant families.

From Science Daily ● Aug. 19, 2026

They also produced artificial foods designed to mimic either the amino acid composition of different pollens or the composition of honeybee tissues.

From Science Daily ● Aug. 19, 2026

Most of the pollen samples turned out to be a relatively poor match for the essential amino acid composition of honeybee tissues.

From Science Daily ● Aug. 19, 2026

ACT, for instance, specified the amino acid Threonine.

From "The Gene" by Siddhartha Mukherjee

Boiling with dilute mineral acids, or baryta water, decomposes albumins into carbon dioxide, ammonia and fatty amino- and other acids.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg

If β-naphthylamine and β-naphthol be reduced, tetrahydro products are obtained in which the amino- or oxy-bearing half of the molecule becomes aliphatic in character.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various