from The Century Dictionary.
- Concerned with electricity as used to determine the velocity of a projectile at any part of its flight: an epithet applied to various instruments invented by Nauvez.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Pertaining to electro-ballistics.
Sorry, no etymologies found.
To determine these velocities an accurately made electro-ballistic machine, such as was employed at the West Point