mod ‧ u ‧ lar /ˈmɒdjələ, ˈmɒdjʊlə $ ˈmɑːdʒələr/ BrE AmE adjective
consisting of separate parts or units which can be put together to form something, often in different combinations:
a modular course in business studies
Most colleges now use the modular system of teaching.
modular furniture