(in number theory) with respect to or using a modulus of a specified number. Two numbers are congruent modulo a given number if they give the same remainder when divided by that number:19 and 64 are congruent modulo 58 is equivalent to 1 in arithmetic modulo 7
[as modifier] using moduli:modulo operations
Origin:
late 19th century: from Latin, ablative of modulus(see modulus)
