[vi-tel-in, vahy-]

noun Biochemistry.

a phosphoprotein in the yolk of eggs.

Origin of vitellin

First recorded in 1855–60; vitell(us) + -in2
Also called ovovitellin. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vitellin

Historical Examples of vitellin

  • Into this special class fall myosin (of the muscles), fibrinogen (of the blood) and vitellin (of egg yolk).

    Animal Proteins

    Hugh Garner Bennett

British Dictionary definitions for vitellin



biochem a phosphoprotein that is the major protein in egg yolk

Word Origin for vitellin

C19: from vitellus + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012