(linear algebra) A relation between two matrices of the same size, such that every row of one matrix is a linear combination of the rows of the other matrix, and vice versa. It is an equivalence re...

One who reenacts. / One who takes part in a historical reenactment.

Equal fossilization (or other fate) of organisms that are in the same environment

(informal) A member of Job's Daughters International, a Masonic-affiliated religious youth organization for girls and young women aged from 10 to 20.