/ Dictionary / Index S sinter: Meaning and Definition of Find definitions for: sin•ter Pronunciation: (sin'tur), [key] — n. siliceous or calcareous matter deposited by springs, as that formed around the vent of a geyser. the product of a sintering operation. —v.t. to bring about agglomeration in (metal particles) by heating. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sinter (Thesaurus) sin tax Sint Maarten Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language