/ Dictionary / Index P permanent mold: Meaning and Definition of Find definitions for: per'manent mold' Pronunciation: [key] — Metalworking. Metalworking. a reusable metal mold used for making a large number of identical castings. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. permanent magnet permanent press Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language