from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of a class of proteins that are found extensively in blood plasma, milk, muscle, and plant seeds and that are insoluble in pure water and half saturated ammonium sulfate, soluble in dilute salt solution, and coagulable by heat.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A protein found in blood and various other structures; one of the two parts of hæmoglobin.
from the GNU version of the Collaborative International Dictionary of English
- n. An albuminous body, insoluble in water, but soluble in dilute solutions of salt. It is present in the red blood corpuscles united with hæmatin to form hæmoglobin. It is also found in the crystalline lens of the eye, and in blood serum, and is sometimes called crystallin. In the plural the word is applied to a group of proteid substances such as vitellin, myosin, fibrinogen, etc., all insoluble in water, but soluble in dilute salt solutions.
from The Century Dictionary and Cyclopedia
- n. The general name of a class of native proteids allied to the albumins, but distinguished from them by being insoluble in pure water.
- n. A protein body occurring, mixed with albumin, in the cells of the crystalline lens of the eye (whence it is also called crystallin).
- n. In botany, a name given by Turpin to starch-granules, and by Kieser to chlorophyl-granules, and now applied to such proteids as are soluble in a strong solution of salt, but not in pure water.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a family of proteins found in blood and milk and muscle and in plant seed
globul(e) + -in.(American Heritage® Dictionary of the English Language, Fourth Edition)