Airlock and Obstruction

Airlock noun - A chamber that provides access to space where air is under pressure.

Obstruction and airlock are semantically related. In some cases you can use "Obstruction" instead a noun "Airlock".

Obstruction noun - Something that makes movement or progress difficult.

Airlock and obstruction are semantically related. Sometimes you can replace term "Airlock" with "Obstruction", this nouns are similar.

Nearby Words: obstruct, obstructed, obstructive, obstructing, obstructionist