/ Thesaurus / C Synonyms of characteristic root of a square matrix Find synonyms for: Noun1. eigenvalue, eigenvalue of a matrix, eigenvalue of a square matrix, characteristic root of a square matrix, valueusage: (mathematics) any number such that a given square matrix minus that number times the identity matrix has a zero determinantWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language