Room and Smoking room

Room noun - An extent or area available for or used up by some activity or thing.

Smoking room and room are semantically related. In some cases you can replace phrase "Smoking room" with "Room", this terms are similar.

Nearby Words: roomy, roomed, roomer, roominess, roomette

Smoking room noun - Room in a hotel or club set apart for smokers.

Room and smoking room are semantically related. You can use "Room" instead a noun phrase "Smoking room".