Meaning of water ballast | Babel Free

Definitions

A weight in the form of seawater that can be let or pumped into a ballast tank within a vessel when required.

uncountable

Examples

“Thanks to the previous experience of the chief performers, to careful preparation and rehearsal, and to perfect weather conditions, they watched in breath-bated silence the spectacle of the huge bulk moving without a hitch into position over the temporary pier caps on which it settled as water ballast was admitted to the pontoons.”

CEFR level