Learn how to say Modularity correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word modular:
1employing or involving a module or modules as the basis of design or construction:
modular housing units
relating to an educational course designed as a series of independent units of study that can be combined in a number of ways:
moves to make all Britain’s vocational qualifications modular
modular courses coupled with practical experience
2 Mathematics relating to a modulus.