/ Dictionary / Index N novaculite: Meaning and Definition of Find definitions for: no•vac•u•lite Pronunciation: (nō-vak'yu-līt"), [key] — n. Petrol. a very hard sedimentary rock, similar to chert, composed essentially of microcrystalline quartz. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Novachord Nova&hasp; Iguaçu 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