Flint



GRE TOEFL

解释

GRE 红宝书

• n.打火石, 燧石
• ［类］ pestle : grind / flint stone : sharpen ( 研棒用来研磨 / 硬石用来磨砺)

Webster Collegiate

noun

• Etymology: Middle English, from Old English; akin to Old High German flins pebble, hard stone
• Date: before 12th century
• 1. a massive hard dark quartz that produces a spark when struck by steel
• 2. an implement of flint used in prehistoric cultures
• 3.
  • a. a piece of flint
  • b. a material used for producing a spark; especially an alloy (as of iron and cerium) used in lighters
• 4. something resembling flint in hardness
• ? flintlike adjective

---