1. ovalbumino`val*bumin , ovalbumen o`val*bumen , ] n. [ovum + albumin.] (physiol. chem.) the albumin from white of eggs; egg albumin; -- in distinction from serum albumin. see: albumin.ovalbumin 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]