noun

sewerage

sewerage, sewage system

The city is upgrading its old sewerage system.

The city is upgrading its old sewerage system.

((sewerage)) a system of sewers The city's sewerage is very old.

Synonyms: drainage system, sanitation system

From 'sewer' (a conduit for waste) and the suffix '-age' which forms collective nouns. It means a collection or system of sewers.

Think of 'sewer' + 'age' as the system or 'age' of sewers that a city has.

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