ecotone n.— «In most places under natural conditions there seems to be an ecotone, a place of equal aggressiveness, betwen this formation and the Bouteloua formation.» —“A Study of the Vegetation of the Mesa Region East of Pike’s Peak: The...
eco-roof n. a roof planted with vegetation. (source: Double-Tongued Dictionary)
eco-roof
n.— «The eco-roof is a roof that is planted in cactus and other water-retaining vegetation. » —“‘Sustainability’ is the key” by Art Chenoweth Daily Vanguard (Portland State Univ. (Ore.)) Apr. 27, 2004. (source: Double-Tongued Dictionary)