[fen-l-al-uh-neen, -nin, feen-]
noun Biochemistry.
a crystalline, water-soluble, essential amino acid, C 6 H 5 CH 2 CH(NH 2 )COOH, necessary to the nutrition of humans and most animals, obtained chiefly from egg white or skim milk. Abbreviation: Phe; Symbol: F
Also called phenylaminopropionic acid [fen-l-uh-mee-noh-proh-pee-on-ik, -am-uh-noh-, feen-, fen-l-uh-mee-noh-, -am-uh-noh-, feen-] .

1880–85; phenyl + alanine Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To phenylalanine
World English Dictionary
phenylalanine (ˌfiːnaɪlˈæləˌniːn, ˌfɛnɪl-)
an aromatic essential amino acid; a component of proteins

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

phenylalanine phen·yl·al·a·nine (fěn'əl-āl'ə-nēn', fē'nəl-)
Abbr. Phe
An essential amino acid that occurs as a constituent of many proteins and is normally converted to tyrosine in the body.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
phenylalanine   (fěn'əl-āl'ə-nēn')  Pronunciation Key 
An essential amino acid. Chemical formula: C9H11NO2. See more at amino acid.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature