The Collaborative International Dictionary of English v.0.48:

Exterminate \Ex*ter"mi*nate\, v. t. [imp. & p. p.
   Exterminated; p. pr. & vb. n. Exterminating.] [L.
   exterminatus, p. p. of exterminare to abolish, destroy, drive
   out or away; ex out + terminus boundary, limit. See Term.]
   1. To drive out or away; to expel.
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            They deposed, exterminated, and deprived him of
            communion.                            --Barrow.
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   2. To destroy utterly; to cut off; to extirpate; to
      annihilate; to root out; as, to exterminate a colony, a
      tribe, or a nation; to exterminate error or vice.
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            To explode and exterminate rank atheism. --Bentley.
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   3. (Math.) To eliminate, as unknown quantities. [R.]
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