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green roof

British  

noun

  1. a roof covered with vegetation, designed for its aesthetic value and to optimize energy conservation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Amazingly, the rest of the landscape is a kind of green roof as well, sitting atop a 2,400-spot underground parking structure — available to those visiting the Lucas or any of Expo Park’s other institutions.

From Los Angeles Times • Jun. 18, 2025

Officials say it is also a symbol of the city’s desire to host a “sustainable” games, having been built with recycled materials and wood and featuring a green roof.

From Seattle Times • Feb. 11, 2024

They planted inoculated and untreated soil with native prairie plants and green roof succulents.

From Science Daily • Jan. 31, 2024

Such gardens are valuable in cities where open space is at a premium and a green roof is more than just a flat roof with a few pot plants.

From BBC • Sep. 7, 2023

The palms that still stood made a green roof, covered on the underside with a quivering tangle of reflections from the lagoon.

From "Lord of the Flies" by William Golding

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