The belief that some system, such as the brain or the ability to process language, operates as a group of interconnected but separate modules.

Cellphone upgradable through the attachment or replacement of discrete components.

(mathematics) A complex analytic function satisfying a certain kind of functional equation with respect to the group action of the modular group, and also satisfying a growth condition.

plural of modular arithmetic

(number theory) Any system of arithmetic for integers which, for some given positive integer n, is equivalent to the set of integers being mapped onto the finite set {0, ... n} according to congruence modulo n, and in which addition and multiplication are defined consistently with the results of ordinary arithmetic being so mapped.

(cryptography) Applied number theory.

plural of modular form

plural of modular smartphone