Meaning of characteristic root

char'acteris'tic root'

Pronunciation: [key]
— Math. Math.
  1. a scalar for which there exists a nonzero vector such that the scalar times the vector equals the value of the vector under a given linear transformation on a vector space.
  2. a root of the characteristic equation of a given matrix. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.