Term: rack and pinion: a wheel gear (the pinion) meshes with a toothed rack; converts rotary to reciprocating motion (and vice versa)
Broader: gear: a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | Unrelated: hydrochlorofluorocarbon: a fluorocarbon that is replacing chlorofluorocarbon as a refrigerant and propellant in aerosol cans; considered to be somewhat less destructive to the atmosphere
Broader: gear: a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | Unrelated: lamb's-quarters: common weedy European plant introduced into North America; often used as a potherb
Broader: gear: a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | Unrelated: cathartidae: condors; turkey buzzards; king vultures
Broader: gear: a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | Unrelated: cryocautery: application of a substance that destroys tissue by freezing it
Broader: gear: a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | Unrelated: sole: the underside of the foot
Broader: gear: a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | Unrelated: terminus a quo: earliest limiting point
Broader: gear: a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | Unrelated: north wind: a wind that blows from the north
Broader: gear: a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | Unrelated: quilting: a material used for making a quilt, or a quilted fabric
Broader: gear: a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | Unrelated: dasypodidae: armadillos
Broader: gear: a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | Unrelated: ground state: (physics) the lowest energy state of an atom or other particle