this was interesting results! The majority of people have it right, and most of the rest weren't sure which name went to what, but it looks like a significant minority were confident that it was the other way around, and two or three people had never really separated the term "mortar and pestle" out to realize that it's literally a "mortar" and a "pestle" and not one thing called a "mortar and pestle"
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@VoxSomniator if you put a pestle into *that* kind of mortar, you're doing things wrong
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@Felthry I'm trying to powder a cloud!
@Felthry I've never actually heard which was which, but mortar firework tubes are geometrically similar to the bowl part, and that's PROBABLY for a reason.