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flint

B2 noun

Các nghĩa

  1. đá lửa

    A hard, fine-grained quartz that fractures conchoidally and generates sparks when struck against a material such as steel, because tiny chips of the steel are heated to incandescence and burn in air.

    uncountable

    He used flint to make a fire.

  2. đá lửa

    A piece of flint, such as a gunflint, used to produce a spark by striking it with a firestriker.

    countable · uncountable

    He used a flint to make a fire.

  3. đá lửa

    A small cylinder of some other material of the same function in a cigarette lighter, etc.

    countable · uncountable

  4. ngô đá

    A variety of maize/corn with a hard outer hull.

    countable · uncountable

  5. cứng như đá

    Anything figuratively hard.

    countable · figuratively · uncountable

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