Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “amino acid”

See all translations

amino acid

noun [C] uk   /əˌmiː.nəʊˈæs.ɪd/ us    /-noʊ-/ specialized
any of the chemical substances found in plants and animals that combine to make protein (= a substance necessary for the body to grow)
Translations of “amino acid”
in Spanish Amino Acido…
in Chinese (Traditional) 氨基酸…
in Chinese (Simplified) 氨基酸,胺酸…
(Definition of amino acid from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of amino acid?
Add Cambridge dictionaries to your browser to your website

Definitions of “amino acid” in other dictionaries

Word of the Day

baby

a very young child, especially one that has not yet begun to walk or talk

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More