boot-topping

See also: boottopping

English

boot-topping (plural boot-toppings)

(nautical) The process of cleaning the upper part of a ship's underwater hull and daubing it with a protecting layer of antifouling substance.
(nautical) 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.
(nautical) The paint of the part of the hull that is designed to be underwater.

http://www.globalsecurity.org/military/systems/ship/systems/paint.htm

单词	boot-topping
释义	boot-topping See also: boottopping English Noun boot-topping (plural boot-toppings) (nautical) The process of cleaning the upper part of a ship's underwater hull and daubing it with a protecting layer of antifouling substance. (nautical) 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. (nautical) The paint of the part of the hull that is designed to be underwater. Alternative forms boot topping References http://www.globalsecurity.org/military/systems/ship/systems/paint.htm
随便看	mascareis mascarell mascarem mascaremos mascaren Mascarene Mascarene Islands Mascarenes Mascarenhas Mascarenhases mascarero mascareros mascares mascaret mascareta mascarete mascaretes mascarets Mascari mascaria mascariam mascarias mascarilla mascarillas Mascaris