inertia Hear it!

inertia definition

in·er·tia (in ʉr′s̸hə, -s̸hē ə)

noun

  1. Physics the tendency of matter to remain at rest if at rest, or, if moving, to keep moving in the same direction, unless affected by some outside force
  2. a tendency to remain in a fixed condition without change; disinclination to move or act

Etymology: L, lack of art or skill, ignorance < iners: see inert

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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