Cylinder and Canister

Cylinder noun - A surface generated by rotating a parallel line around a fixed line.

Canister and cylinder are semantically related in barrel topic. In some cases you can use "Canister" instead a noun "Cylinder", when it comes to topics like tank car.

Canister noun - A metal container in the shape of a cylinder.

Cylinder and canister are semantically related in barrel topic. You can use "Cylinder" instead a noun "Canister", if it concerns topics such as tank car.