/ Dictionary / Index M methyltestosterone: Meaning and Definition of Find definitions for: meth•yl•tes•tos•ter•one Pronunciation: (meth"ul-te-stos'tu-rōn"), [key] — n. Pharm. a synthetic androgenic steroid drug, CHO, used for its anabolic properties in males in the treatment of hypogonadism and other androgen-deficiency disease states, and in females in the treatment of breast cancer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: methyltestosterone (Thesaurus) methyl sulfate methyltheobromine Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language