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Meaning of retention tank | Babel Free

Noun CEFR B2

Definitions

A tank for the retention of toilet waste, e.g. on a train.

Examples

“Eleven four-coach 'Castles' are on order, with eight delivered. These are former GWR Mk 3s that have been converted by fitting sliding doors, passenger information screens and retention tanks.”

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

retention time retentionist Retentions Retentive Retentively Retentiveness