/ Dictionary / Index S somatomedin: Meaning and Definition of Find definitions for: so•mat•o•me•din Pronunciation: (su-mat"u-mēd'n, sō"mu-tu-), [key] — n. Biochem. any of various liver hormones that enhance the activity of a variety of other hormones, as somatotropin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. somatology somatoplasm Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language