Definify.com
Webster 1913 Edition
Contractility
Conˊtrac-til′i-ty
,Noun.
1.
The quality or property by which bodies shrink or contract.
2.
(Physiol.)
The power possessed by the fibers of living muscle of contracting or shortening.
☞ When subject to the will, as in the muscles of locomotion, such power is called voluntary contractility; when not controlled by the will, as in the muscles of the heart, it is involuntary contractility.
Webster 1828 Edition
Contractility
CONTRACTILITY
,Noun.