pitch circle
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noun Machinery.
an imaginary circle within the profiles of the teeth of a gear, such that it rotates against a similar circle rotating at the same rate on a meshing gear.
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Also called pitch line.
Origin of pitch circle
First recorded in 1810–20
Words nearby pitch circle
pitchbend, pitch-black, pitchblende, pitch chain, pitch chisel, pitch circle, pitch-cone angle, pitch cylinder, pitch-dark, pitched battle, pitcher
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for pitch circle
British Dictionary definitions for pitch circle
pitch circle
noun
an imaginary circle passing through the teeth of a gearwheel, concentric with the gearwheel, and having a radius that would enable it to be in contact with a similar circle around a mating gearwheel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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