boot-topping

短语

词形变化

boot-toppings 复数 boot-toppings

别名

boottopping boot topping

释义与例句

n.
  1. 1.

    The process of cleaning the upper part of a ship's underwater hull and daubing it with a protecting layer of antifouling substance.

    航海 交通
  2. 2.

    Any substance used for boot-topping, especially a mixture of tallow, sulphur or lime and rosin, which was commonly used to paint the bottoms of wooden ships, as a deterrent against weeds and barnacles, and to reduce friction.

    航海 交通
  3. 3.

    The paint of the part of the hull that is designed to be underwater.

    航海 交通