Definitions
from The Century Dictionary.
- Teeth having one side radial, or nearly so, and the other side much inclined. A pawl, dog, or detent can slip over the inclined side but will catch on the radial side, thus permitting the wheel having such teeth to revolve in one direction only.
Etymologies
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Examples
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Imagine that at each slight depression between the ratchet-teeth it breaks a contact and cuts off a current, and at each slight rise renews the contact and permits a current to pass.
Steam, Steel and Electricity James W. Steele
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