pitch line

noun Machinery.

an imaginary line within the profiles of the teeth of a rack, such that it moves against, and at the same rate as, the pitch circle of an engaging pinion.

Nearby words

  1. pitch cone,
  2. pitch cylinder,
  3. pitch in,
  4. pitch into,
  5. pitch lake,
  6. pitch on,
  7. pitch pine,
  8. pitch pipe,
  9. pitch plane,
  10. pitch shot

Origin of pitch line

First recorded in 1790–1800

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019