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  imperturbable impetigo  
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   The American Heritage® Dictionary of the English Language: Fourth Edition.  2000.
 
impervious
 
SYLLABICATION:im·per·vi·ous
PRONUNCIATION:  m-pûrv-s
ADJECTIVE:1. Incapable of being penetrated: a material impervious to water. 2. Incapable of being affected: impervious to fear.
ETYMOLOGY:From Latin impervius : in-, not; see in–1 + pervius, pervious; see pervious.
OTHER FORMS:im·pervi·ous·ly —ADVERB
im·pervi·ous·ness —NOUN
 
 
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
  imperturbable impetigo  
 
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