from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various organic compounds that result from a reaction between an acid or alkali and a protein and are soluble in weak acids or alkalis and insoluble in neutral solutions.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any protein derived from another by the use of acids or bases
from The Century Dictionary and Cyclopedia
- n. A protein derivative which results from the action of acids or alkalies upon albumins. The group includes the acid albumins and alkaline albuminates.
From meta- + protein (Wiktionary)