rockwool

名词 n.
中文释义

英文释义

名词 n.
  1. Inorganic material resembling fiber, used primarily for insulation and soundproofing. countable,uncountable
  2. A horticultural growing medium made from natural ingredients, usually including basalt rock and chalk. countable,uncountable
    — In 1985, rockwool was introduced to the United States as an alternative to conventional soil and other soilless mediums. Rockwool is made of thin fibers of volcanic rock or a combination of volcanic rock, limestone, and coke.

词形变化

rockwools plural rock wool alternative

词源

From rock + wool.
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