Definition of "motility" []

• The state of being motile (noun)
• The degree to which something is motile (noun)

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• "Sperm, as they age, they lose what's called their motility, they just don't move as quickly as they should."
• "Forec. system by the sleeping state, but there is no doubt that the psychological character of sleep is essentially due to the change of energy in this very system, which also dominates the approach to motility, which is paralyzed during sleep."
• "The discovery was the unanticipated result of a study the Cummings group conducted to test the hypothesis that the freedom with which different cancer cells move -- a concept called motility -- could be correlated with their aggressiveness: That is, the faster a given type of cancer cell can move through the body the more aggressive it is."