Assertion: ratchet | /r/HasProperty | mechanical device
Facets:
Source sentences:
text: A ratchet is a mechanical device that allows continuous linear or rotary motion in only one direction while preventing motion in the opposite direction.
text: A ratchet is a machinery device.
text: A ratchet is a mechanical device that allows continuous linear or rotary motion in only one direction while preventing motion in the opposite direction.
text: Ratchet, mechanical device that transmits intermittent rotary motion or permits a shaft to rotate in one direction but not in the opposite one.
text: A ratchet is a machinery device.