How should we refer to this action that involves the bottle, the cap and the person?
Is she "opening the bottle" or "opening the cap"?
How should we refer to this action that involves the bottle, the cap and the person?
Is she "opening the bottle" or "opening the cap"?
She is opening the bottle by unscrewing the cap or removing the cap.
Edit based on feedback from commeonts: if you say opening the cap people will understand what you mean. It might also be a regional idiom in some places.
I would say technically open the cap is the correct term, however in my experience personally, and most people say "open the bottle". In actuality opening a bottle would probably entail cutting it in half or something, but people don't actually mean that.