Source : Webster's Revised Unabridged Dictionary (1913)

Albuminoid \Al*bu"mi*noid\, a. [L. albumen + -oid.] (Chem.)
   Resembling albumin. -- n. One of a class of organic
   principles (called also {proteids}) which form the main part
   of organized tissues.

Source : WordNet®

albuminoid
     n : a simple protein found in horny and cartilaginous tissues
         and in the lens of the eye [syn: {scleroprotein}]