/ Thesaurus / N Synonyms of nonsingular matrix Find synonyms for: Noun1. nonsingular matrix, square matrixusage: a square matrix whose determinant is not zeroWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language