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  efficacious efficiency  
CONTENTS · INDEX · ILLUSTRATIONS · BIBLIOGRAPHIC RECORD
   The American Heritage® Dictionary of the English Language: Fourth Edition.  2000.
 
efficacy
 
SYLLABICATION:ef·fi·ca·cy
PRONUNCIATION:  f-k-s
NOUN: Power or capacity to produce a desired effect; effectiveness.
ETYMOLOGY:Latin efficcia, from efficx, efficc-, efficacious. See efficacious.
 
 
The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.

CONTENTS · INDEX · ILLUSTRATIONS · BIBLIOGRAPHIC RECORD
  efficacious efficiency  
 
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