in·er·tia /ɪˈnɝʃə, ʃiə/
 慣性,惰性,遲鈍


 in·er·tia /ɪnˈɝʃə, ʃɪə/ 名詞
 (拉)惰性,不活動,無力,惰性,慣性,不活潑


 inertia
 慣性


 inertia
 *慣性


 In·er·ti·a n.
 1. Physics That property of matter by which it tends when at rest to remain so, and when in motion to continue in motion, and in the same straight line or direction, unless acted on by some external force; -- sometimes called vis inertiæ.  The inertia of a body is proportional to its mass.
 2. Inertness; indisposition to motion, exertion, or action; lack of energy; sluggishness.
    Men . . . have immense irresolution and inertia.   --Carlyle.
 3. Med. Lack of activity; sluggishness; -- said especially of the uterus, when, in labor, its contractions have nearly or wholly ceased.
 Center of inertia. Mech. See under Center.

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 inertia
      n 1: a disposition to remain inactive or inert; "he had to
           overcome his inertia and get back to work" [syn: inactiveness,
            inactivity] [ant: activeness]
      2: (physics) the tendency of a body to maintain is state of
         rest or uniform motion unless acted upon by an external
         force