quadrant roller
Mechanics, rare
noun
A roller designed to roll or rotate through 90 degrees, as in gearing.
Origin
Mid 19th century.
- radio cassette player
- radio cassette recorder
- radiocast
- radio chatter
- radiochemical
- radiochemically
- radiochemical purity
- radiochemist
- radiochemistry
- radiochromatogram
- radio clock
- radio collar
- radio-collared
- radiocolloid
- radiocolloidal
- radio compass
- radioconductor
- radio contact
- radio control
- radio-controlled
- radiodating
- radiodense
- radiodensity
- radiodermatitis
- radiodiagnosis