/ Dictionary / Index N nitriding steel: Meaning and Definition of Find definitions for: ni'triding steel' Pronunciation: [key] any steel suitable for casehardening by nitriding. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nitriding nitrification Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language