Air duct and Snorkel

Air duct noun - A duct that provides ventilation (as in mines).

Snorkel and air duct are semantically related. In some cases you can replace term "Snorkel" with "Air duct", this terms are similar.

Snorkel noun - Air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time.

Air duct and snorkel are semantically related. Sometimes you can use "Air duct" instead a noun "Snorkel".

Nearby Word: snorkelling