Duct and Raceway

Duct noun - A long hollow cylinder for carrying a substance (as a liquid or gas).

Raceway and duct are semantically related in channel topic. In some cases you can use "Raceway" instead a noun "Duct".

Nearby Words: ducted, ducting, ductless

Raceway noun - An open man-made passageway for water.

Duct and raceway are semantically related in stream topic. Sometimes you can use "Duct" instead a noun "Raceway", if it concerns topics such as channel, pathway.

Nearby Word: race