I have the Harry Potter blu-rays, and my version of Philosopher’s Stone (perhaps imported from Canada) just uses clever camera angles every time someone mentions “Philosopher’s Stone”. I don’t know if I’ve ever seen a version of Harry Potter and the Sorcerer’s (Philosopher’s) Stone where they actually show them saying that phrase on screen.
Explanation: The BluRay version always cuts to a reaction shot from another character, or there’s a door in the way, etc. I thought that Mr Columbus used clever camera angles from the start.