/ Dictionary / Index N normal pitch: Meaning and Definition of Find definitions for: nor'mal pitch' Pronunciation: [key] — Mach. Mach. See under (def. 49a). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. normal pentane normal saline solution Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language