from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A visual illusion in which a stationary source of light appears to move.
from the GNU version of the Collaborative International Dictionary of English
- n. Spontaneous or voluntary movement; movement due to an internal cause.
from The Century Dictionary and Cyclopedia
- n. In physiology, spontaneous motion.
auto- + kinesis (Wiktionary)