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inertial - 2 dictionary results

in⋅er⋅tia

[in-ur-shuh, i-nur-]
–noun
1. inertness, esp. with regard to effort, motion, action, and the like; inactivity; sluggishness.
2. Physics.
a. the property of matter by which it retains its state of rest or its velocity along a straight line so long as it is not acted upon by an external force.
b. an analogous property of a force: electric inertia.
3. Medicine/Medical. lack of activity, esp. as applied to a uterus during childbirth when its contractions have decreased or stopped.

Origin:
1705–15; < L: lack of skill, slothfulness. See inert, -ia


in⋅er⋅tial, adjective


1. torpor, inaction, laziness.
in·er·tia   (ĭ-nûr'shə)   
n.  
  1. Physics The tendency of a body to resist acceleration; the tendency of a body at rest to remain at rest or of a body in straight line motion to stay in motion in a straight line unless acted on by an outside force.
  2. Resistance or disinclination to motion, action, or change: the inertia of an entrenched bureaucracy.

[Latin, idleness, from iners, inert-, inert; see inert.]
in·er'tial adj., in·er'tial·ly adv.
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