Science Dictionary
abortion   (ə-bôr'shən)  Pronunciation Key 
  1. Induced termination of pregnancy, involving destruction of the embryo or fetus.

  2. Any of various procedures that result in such termination.

  3. Spontaneous abortion; miscarriage.

  4. Cessation of a normal or abnormal process before completion.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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