congruence

[ kong-groo-uhns, kuhn-groo-, kuhng- ]

noun

1. the quality or state of agreeing or corresponding.
2. Mathematics. a relation between two numbers indicating that the numbers give the same remainder when divided by some given number. Compare residue ( def 4b ).
3. Geometry. the relationship that exists between two figures when one can be superimposed over the other and all their angles and sides coincide, as a mirror image:

   the congruence of trapezoids with identical measurements.

congruence

/ ˈkɒŋɡrʊəns; ˈkɒŋɡrʊənsɪ /

noun

1. the quality or state of corresponding, agreeing, or being congruent
2. maths the relationship between two integers, x and y, such that their difference, with respect to another positive integer called the modulus, n, is a multiple of the modulus. Usually written x ≡ y (mod n ), as in 25 ≡ 11 ( mod 7 )

Other Words From

• non·con·gru·ence noun

Word History and Origins

Origin of congruence¹

First recorded in 1400–50; late Middle English, from Latin congruentia, derivative of congruent- congruent; -ence