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Definition of amino

amino

/əˈmiːnoʊ/
a · mi · no
Plural:aminos
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amino Lexical Profile

amino Game Scores & Validity

• adjective

1

Relating to, containing, or designating the divalent chemical radical —NH₂, formally derived from ammonia by the replacement of one hydrogen atom.

Example

"The presence of an amino group gives the molecule its characteristic basic properties in aqueous solutions."

• noun

1

An amino acid, especially when used in the plural in nutritional, fitness, and dietary contexts.

Example

"Many endurance athletes take branched-chain aminos to support muscle recovery after intense training."

Synonyms
View all synonyms for amino

• Rhymes for amino

• Nearby Words

amid
amiga
amigo
amino
amiright
amiss
amity

Word Origin & Etymology

Coined in late 19th-century chemistry as a combining form of 'amine', which itself derives from 'ammonia', named after the ancient Egyptian deity Ammon near whose temple sal ammoniac (ammonium chloride) was historically collected.

Cite this Entry

Wordmom. (2026). Definition of Amino. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/amino
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