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Definition of quarantine


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quar·an·tine  audio  (kwôrn-tn, kwr-) KEY  

NOUN:
    1. A period of time during which a vehicle, person, or material suspected of carrying a contagious disease is detained at a port of entry under enforced isolation to prevent disease from entering a country.
    2. A place for such detention.
  1. Enforced isolation or restriction of free movement imposed to prevent the spread of contagious disease.
  2. A condition of enforced isolation.
  3. A period of 40 days.
TRANSITIVE VERB:
quar·an·tined , quar·an·tin·ing , quar·an·tines
  1. To isolate in or as if in quarantine.
  2. To isolate politically or economically.

ETYMOLOGY:
Italian quarantina, from quaranta (giorni), forty (days), from Latin quadrgint; see kwetwer- in Indo-European roots

OTHER FORMS:
quaran·tina·ble (Adjective)


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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.
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