English

Noun

brownfield ‎(plural brownfields)

1. A site, to be used for housing or commerce, that has been previously used for industry and may be contaminated or need extensive clearing
   • 2011, The Economist, Crossrail: The other side of the track

     On such a densely-populated island, most infrastructure projects are on brownfield sites, rather than starting in pastures new.

See also

• greenfield