ice dam

短语

词形变化

ice dams 复数 ice dams

释义与例句

n.
  1. 1.

    An obstruction to the flow of a river caused by the flow of a glacier across its course.

  2. 2.

    An obstruction to the flow of a river caused by the concatenation of surface ice into a ridge that rises above and sinks below the surface causing a blockage, occurring frequently during spring breakup season.

  3. 3.

    A mass of ice formed at the transition from a warm to a cold roof surface, frequently formed by refreezing meltwater at the overhang of a steep roof, causing ice and water to back up under roofing materials.

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  4. 4.

    Ellipsis of ice dam membrane.

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