(1) The ability to move actively and on instinct, usually consuming energy in the process.
(2) The ability of an animal to move food through its digestive tract; peristaltic movement.
Motility is one of the general characteristics of most animals in contrast to many plants that are generally lacking motility or limited mobility.
Word origin: Latin mōtus, motion.
Related forms: motile (adjective)
- Motility test
- Motility test medium