from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A white crystalline amino acid, C9H11NO3, that is obtained from the hydrolysis of proteins such as casein and is a precursor of epinephrine, thyroxine, and melanin.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biochemistry A
nonessential amino acidC9H11NO3 found in most animal proteins, especially casein.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an amino acid found in most proteins; a precursor of several hormones
from The American Heritage® Dictionary of the English Language, 4th Edition
[Greek tūros, cheese; see teuə- in Indo-European roots + –ine.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
Ancient Greek cheese.
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