firestone

n. 燧石, 耐火石

词形变化

firestones 复数 firestones

释义与例句

n.
  1. 1.

    Iron pyrite, formerly used for striking fire.

    可数 不可数
  2. 2.

    A flint.

    可数 不可数
  3. 3.

    A stone which will bear the heat of a furnace without injury; especially applied to the sandstone at the top of the upper greensand in the south of England, used for lining kilns and furnaces.

    可数 不可数

词汇关系

名词

相关短语

词源

From Middle English firestone, firstan, fyrestane, fyyr stone, from Old English fȳrstān, equivalent to fire + stone.

来源:wiktionary