drehbar
Translation
rotatable, revolving, swivelling
Examples
Er sitzt auf einem drehbaren Bürostuhl.
He is sitting on a swivel office chair.
Das Museum hat eine drehbare Tür.
The museum has a revolving door.
Grammar Patterns
drehbar + Noun rotatable ... The rotatable armchair is very comfortable.
Similar Words
rotierbar, schwenkbar; Antonyms: fest, fixiert
Etymology
From the verb 'drehen' (to turn) and the suffix '-bar' (-able). Literally 'turn-able'.
Memory Tips
If you can 'drehen' (turn) it, it's 'drehbar' (-able).