based /beɪst/ BrE AmE adjective
[ Word Family: noun : ↑ base , the basics, ↑ basis ; adjective : ↑ baseless , ↑ basic , ↑ based ; verb : ↑ base ; adverb : ↑ basically ]
1 . [not before noun] if you are based somewhere, that is the place where you work or where your main business is:
It is a professional service based at our offices in Oxford.
London-based/New York-based etc
a London-based firm of accountants
2 . oil-based/carbon-based/computer-based etc used to describe the basic feature or part of something:
computer-based teaching
community-based services
carbon-based fuels
3 . broadly-based based on many kinds of things or people:
a broadly-based government of national reconciliation