GLOBULIN
globulin
(noun) a family of proteins found in blood and milk and muscle and in plant seed
Source: WordNet® 3.1
Etymology
Noun
globulin (countable and uncountable, plural globulins)
(protein) Any of a group of simple proteins, soluble in water only in the presence of salts, that are coagulated by heat; one of the two parts of haemoglobin.
Source: Wiktionary
Glob"u*lin, n. Etym: [From Globule: cf. F. globuline.] (Phisiol.
Chem.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition