Examlex
Preoperational thought involves magical, self-centered imagination rather than logic.
Radial Distance
The measure from the center of a circle to its perimeter, relevant in various contexts, including geometry and mechanical design.
Mating Tooth
In gear terminology, a tooth on one gear that engages with a corresponding tooth on a mating gear to transmit motion.
Addendum
In gear terminology, the radial distance between the pitch circle and the top of the teeth.
Dedendum
The downward extension from the pitch circle to the bottom of the gear tooth in a gear wheel.
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