n. (Chem., Med.) a chemical substance consisting of tyrosine with two hydrogen atoms on the benzene ring replaced by iodine atoms. The isomer 3, 5-diiodotyrosine is an inhibitor of thyroid function. [ WordNet 1.5 ]
a. [ See Dottard. ] Half-rotten; as, doty timber. [ Local, U. S. ] [ 1913 Webster ]