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The Collaborative International Dictionary
Motility

Motility \Mo*til"i*ty\, n. [Cf. F. motilit['e].] (Physiol.) Capability of motion; contractility.

Douglas Harper's Etymology Dictionary
motility

"capacity of movement," 1827, from French motilité (1827), from Latin mot-, stem of movere "to move" (see move (v.)).

Wiktionary
motility

n. 1 (context uncountable English) The state of being motile 2 (context countable English) The degree to which something is motile

WordNet
motility
  1. n. ability to move spontaneously and independently [ant: immotility]

  2. a change of position that does not entail a change of location; "the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility" [syn: motion, movement, move]

Wikipedia
Motility

In biology, motility is the ability to move spontaneously and actively, consuming energy in the process. Motility is genetically determined (see genetic determinism) but may be affected by environmental factors. For instance, muscles give animals motility but the consumption of hydrogen cyanide (the environmental factor in this case) would adversely affect muscle physiology causing them to stiffen leading to rigor mortis. Most animals are motile but the term applies to unicellular and simple multicellular organisms, as well as to some mechanisms of fluid flow in multicellular organs, in addition to animal locomotion. Motile marine animals are commonly called free-swimming.

Motility may also refer to an organism's ability to move food through its digestive tract, i.e., peristaltics (gut motility, intestinal motility, etc.).

Motility (album)

Motility is an album by American jazz pianist and composer Steve Kuhn and his band Ecstasy recorded in 1977 and released on the ECM label.

Usage examples of "motility".

The suit featured an undulating whiplike tail and a glistening ithyphallic codpiece with obscene motility.

The motility which gives birth to the Adult becomes re-assuring in later life when a person is in distress.