Source : Webster's Revised Unabridged Dictionary (1913)

Ovalbumin \O`val*bu"min\, Ovalbumen \O`val*bu"men\, n. [Ovum +
   albumin.] (Physiol. Chem.)
   The albumin from white of eggs; egg albumin; -- in
   distinction from serum albumin. See {Albumin}.

Source : WordNet®

ovalbumin
     n : the white of an egg; the nutritive and protective gelatinous
         substance surrounding the yolk consisting mainly of
         albumin dissolved in water [syn: {egg white}, {albumen}]