Two-to-one
Two´-to-one´
a. | 1. | (Mach.) Designating, or pert. to, a gear for reducing or increasing a velocity ratio two to one. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
a. | 1. | (Mach.) Designating, or pert. to, a gear for reducing or increasing a velocity ratio two to one. |