ballast

Pronunciation

• (UK) (US) IPA ^(key): /ˈbæl.əst/

• Audio (US)

  (file)

• Audio (AU)

  (file)

Noun

Singular ballast

Plural ballasts

1. (nautical) A ballast is a heavy material that is used to provide stability.

Verb

Plain form ballast

Third-person singular ballasts

Past tense ballasted

Past participle ballasted

Present participle ballasting

1. If you are ballasting something, you are using a ballast to provide stability.