entirely non-smoking; all seats non-smoking
Used for restaurants, cafes, trains, and other venues where smoking is prohibited in all seating areas. Often seen on signs or in descriptions.
This restaurant is entirely non-smoking.
The number of entirely non-smoking Shinkansen trains is increasing.
禁煙 means 'no smoking' in general, while 全席禁煙 specifies that all seats are non-smoking.
分煙 refers to separating smoking and non-smoking areas, whereas 全席禁煙 means there is no smoking anywhere.
Compound of 全席 (all seats) and 禁煙 (no smoking).