/ Dictionary / Index S sodium methylate: Meaning and Definition of Find definitions for: so'dium meth'ylate Pronunciation: [key] — Chem. Chem. a white, free-flowing, flammable powder, CHONa, decomposed by water to sodium hydroxide and methyl alcohol: used chiefly in organic synthesis. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sodium metasilicate sodium monoxide Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language