Definition of "brownfield" [brownfield]

• A piece of industrial or commercial property that is abandoned or underused and often environmentally contaminated, especially one considered as a potential site for redevelopment. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In future, residential gardens will no longer be classified as 'brownfield' - the same category as urban industrial wasteland."
• "Tesla is now especially interested in moving the planned facility to a "brownfield" - such as an old site for chipmaking in Silicon Valley or land left over from the aeronautics industry in Southern California - that can be rehabilitated and built upon instead, as the intends to finance construction (or at another site, retooling) of the facility favors projects on brownfields (two birds, one stone: environmental cleanup and cleantech development)."
• "The entire swath is a "brownfield" - contaminated, but available for redevelopment."