/ Dictionary / Index P powder method: Meaning and Definition of Find definitions for: pow'der meth"od Pronunciation: [key] — Crystall. Crystall. a method of x-ray determination of crystal structure using a powdered sample. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. powder metallurgy powder mill Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language