What do a.m. and p.m. stand for?

pitch plane

noun, Machinery
See under pitch surface.

pitch surface

(in a gear or rack) an imaginary surface forming a plane (pitch plane) a cylinder (pitch cylinder) or a cone or frustrum (pitch cone) that moves tangentially to a similar surface in a meshing gear so that both surfaces travel at the same speed.
Origin of pitch surface
1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for pitch plane
  • In developing a computer simulation, a pitch plane model of the crane was developed.
  • All vehicle modeling reported herein used only three degrees of freedom without any attempt to verify trim in the pitch plane.

Word of the Day

Difficulty index for pitch plane

Few English speakers likely know this word

Word Value for pitch

Scrabble Words With Friends