Cite
 

Meaning of controllable-pitch

con•trol•la•ble-pitch

Pronunciation: (kun-trō'lu-bul-pich'), [key]
— adj.
  1. (of a marine or aircraft propeller) having blades whose pitch can be changed during navigation or flight; variable-pitch. Cf. adjustable-pitch.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.