alpha-amino acid

noun
al·pha-ami·no acid
variants: or α-amino acid \-ə-ˌmē-nō- \

Medical Definition of alpha-amino acid 

: any of the more than 20 amino acids that have an amino group in the alpha position with most having the general formula RCH(NH2)COOH, that are synthesized in plant and animal tissues, that are considered the building blocks of proteins from which they can be obtained by hydrolysis, and that play an important role in metabolism, growth, maintenance, and repair of tissue — see essential amino acid, nonessential amino acid

Learn More about alpha-amino acid

Share alpha-amino acid

Comments on alpha-amino acid

What made you want to look up alpha-amino acid? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

an open space surrounded by woods

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!