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rotor

mastery

UK /ˈɹəʊ.tə/ US /ˈɹoʊ.tɚ/noun

card 1 of 8 · context meaning

Which meaning of "rotor" best matches the usage in the sentence?

These quantities are unit lengths measured anywhere on the axes in the positive directions. They have magnitude, direction, and position, and are thus what I have called rotors.