Assertion: caster | /r/HasProperty | mineral
Facets:
Source sentences:
text: As nouns the difference between castor and caster is that castor is a pivoting roller attached to the bottom of furniture to allow it to be moved or castor can be (mineral) a variety of petalite found in elba while caster is someone or something that casts.
text: As nouns the difference between castor and beaver is that castor is a pivoting roller attached to the bottom of furniture to allow it to be moved or castor can be (mineral) a variety of petalite found in elba while beaver is an aquatic rodent of the genus castor , having a wide, flat tail and webbed feet or beaver can be the lower face-guard of a helmet or beaver can be (bever).