brownfield
 n.— «Known as brownfields, these areas are defined by the USEPA as “abandoned, idled, or under-used industrial and commercial facilities where expansion or redevelopment is complicated by real or perceived environmental contamination.”» —“Brownfield Development: Cleanup of Urban Areas for Re-use; More than 5,000 sites exist in California; EPA loans and grants may assist property owners” by Daniel E. Johnson California Construction Link Aug. 1, 2000. (source: Double-Tongued Dictionary)