Word Study
vitellin
CIDE DICTIONARY
vitellin, n. [See Vitellus.].
An albuminous body, belonging to the class of globulins, obtained from yolk of egg, of which it is the chief proteid constituent, and from the seeds of many plants. From the latter it can be separated in crystalline form. [1913 Webster]
OXFORD DICTIONARY
vitellin, n. Chem. the chief protein constituent of the yolk of egg.
Etymology
VITELLUS + -IN
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