/ Dictionary / Index H hydrosoma: Meaning and Definition of Find definitions for: hy•dro•so•ma Pronunciation: (hī"dru-sō'mu), [key] — pl. -ma•ta hydrosome. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hydrosol hydrosome Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language