heat island

noun

an urban area having higher average temperature than its rural surroundings owing to the greater absorption, retention, and generation of heat by its buildings, pavements, and human activities.

Origin of heat island

First recorded in 1960–65

Words nearby heat island

heat equation, heat exchanger, heat exhaustion, heat gun, heat index, heat island, heat lamp, heat lightning, heat of combustion, heat of condensation, heat of formation