Term: reciprocation: alternating back-and-forth movement
Broader: motion: a change of position that does not entail a change of location | Unrelated: yodh: the 10th letter of the Hebrew alphabet
Broader: motion: a change of position that does not entail a change of location | Unrelated: fleer: contempt expressed by mockery in looks or words
Broader: motion: a change of position that does not entail a change of location | Unrelated: rho: the 17th letter of the Greek alphabet
Broader: motion: a change of position that does not entail a change of location | Unrelated: servo: control system that converts a small mechanical motion into one requiring much greater power; may include a negative feedback system
Broader: motion: a change of position that does not entail a change of location | Unrelated: movement: the driving and regulating parts of a mechanism (as of a watch or clock)
Broader: motion: a change of position that does not entail a change of location | Unrelated: nut: usually large hard-shelled seed
Broader: motion: a change of position that does not entail a change of location | Unrelated: lead ore: ore containing lead
Broader: motion: a change of position that does not entail a change of location | Unrelated: voting trust: an agreement whereby persons owning stock with voting powers retain ownership while transferring the voting rights to the trustees
Broader: motion: a change of position that does not entail a change of location | Unrelated: ashcan: a bin that holds rubbish until it is collected
Broader: motion: a change of position that does not entail a change of location | Unrelated: dedication: a short message (as in a book or musical work or on a photograph) dedicating it to someone or something