/ Dictionary / Index A algoid: Meaning and Definition of Find definitions for: al•goid Pronunciation: (al'goid), [key] — adj. like algae. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: algoid (Thesaurus) algo- Algol 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