The meaning of Greer has more than one different etymologies. It has same or different meanings in other countries and languages. The different meanings of the name Greer are: 1  Celtic-Gaelic meaning: Watchful guardian.eep in mind that many names may have different meanings in other countries and languages, so be careful that the name that you choose doesnât mean something bad or unpleasant. Search comprehensively and find the name meaning of Greer and its name origin or of any other name in our database.
polÂ·yÂ·proÂ·tic. adj. Of or relating to an acid that can donate more than one proton to a base.
prohormone. a precursor of a hormone, such as a polypeptide that is cleaved to form a shorter polypeptide hormone, or a steroid that is converted to an active hormone by metabolism.1  Facebook.bsolete term formerly used to designate a substance developed in serum that antagonizes a specific antihormone, and thus enhances the action of the corresponding hormone. /proÂ·horÂ·mone/ (-horÂ´mÅn) a hormone preprotein; a biosynthetic, usually intraglandular, hormone precursor, such as proinsulin.