/ Dictionary / Index S subvisible: Meaning and Definition of Find definitions for: sub•vis•i•ble Pronunciation: (sub-viz'u-bul), [key] — adj. invisible unless viewed through a microscope. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subviral subvocal Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language