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ballast

C1 noun

ballast /ˈbæl.əst/ nghĩa là vật dằn (tàu, khinh khí cầu)

Các nghĩa

  1. vật dằn (tàu, khinh khí cầu)

    Heavy material that is placed in the hold of a ship (or in the gondola of a balloon), to provide stability.

    uncountable · usually

  2. điều làm vững tâm

    Anything that steadies emotion or the mind.

    figuratively · uncountable · usually

  3. đá ba lát (nền đường)

    Coarse gravel or similar material laid to form a bed for roads or railroads, or in making concrete; track ballast.

    uncountable · usually

  4. vật liệu dằn mái

    A material, such as aggregate or precast concrete pavers, which employs its mass and the force of gravity to hold single-ply roof membranes in place.

    uncountable · usually

  5. đá dằn đường ray

    Loose stone or big gravel used to hold rails and tracks in place.

    uncountable · usually

  6. chấn lưu (điện)

    device used for stabilizing current in an electric circuit (e.g. in a tube lamp supply circuit)

    countable · usually

+ 1 nghĩa khác

  1. vật giữ thăng bằng

    That which gives, or helps to maintain, uprightness, steadiness, and security.

    figuratively · uncountable · usually

    It [piety] is the right ballast of prosperity.

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