English Dictionary

ballast

/ˈbæl.əst/

noun

(nautical) Heavy material that is placed in the hold of a ship (or in the gondola of a balloon), to provide stability. / (figuratively) Anything that steadies emotion or the mind.

The ship was carrying a heavy ballast to stabilize its balance.

意味（1）

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

意味（2）

(figuratively) Anything that steadies emotion or the mind.

意味（3）

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

意味（4）

(construction) 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.

意味（5）

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

意味（6）

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

With 73 minutes gone Rafael Márquez came on to add ballast at the back, appearing in his fifth World Cup aged 39 and with alleged links to drug trafficking, which he denies, on hold for now. And so they sat deep with a thin green line of five defenders ranged across their own penalty area as the game became a Mexican stand-off, attack versus defence.