from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A machine for measuring the velocity of rotation, as of a wheel of a steam engine.
from the GNU version of the Collaborative International Dictionary of English
- n. A machine for measuring at any moment velocity of rotation, as of a wheel of a steam engine.
from The Century Dictionary and Cyclopedia
- n. An apparatus invented by McLeod and Clarke for measuring velocities of revolution at a given instant.
cyclo- + -scope (Wiktionary)