1. (a.) Resembling albumin.

2. (n.) One of a class of organic principles (called also proteids) which form the main part of organized tissues.

alanine albuminoid arginine chromoprotein dipeptide glycine glycoprotein leucine lipoprotein lysine methionine nucleoprotein peptide phenylalanine phosphoprotein proteid protein protide sarcosine serine threonine valine