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rooftop

n.
US //ˈɹufˌtɑp// UK //ɹˈuːftɒp// rooftop
  1. 1 the top surface of a building (n.)
    A2 Elementary

    the outside area on top of a building.

    the external upper surface of a building, often used to describe a flat area accessible to people.

    Example

    We went up to the rooftop to watch the fireworks over the city.

    Example

    The luxury hotel features a rooftop terrace where guests can enjoy panoramic views of the skyline while dining.

    Usage

    Often used as a modifier before another noun, such as 'rooftop bar' or 'rooftop garden'.

  2. 2 roofing material (n.)
    B2 Upper Intermediate Technical

    the material that covers the top of a house.

    the top layer or material composition of a roof structure.

    Example

    The heavy rain damaged the rooftop, and now the ceiling is leaking.

    Example

    The architect specified a sustainable rooftop material designed to reflect solar heat and reduce the building's cooling costs.

    Usage

    Usually refers to the physical substance rather than the space.

    Teacher's tip

    This sense is less common in daily conversation and is mostly used in construction or architecture.

Idioms1 entry

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