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definitive host

noun, Zoology
1.
the host in or on which a parasite spends the sexual stage of its life cycle.
Origin
1900-1905
1900-05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for definitive host
  • The adult tapeworms live in the intestine of the definitive host, which is typically a canine.
definitive host in Medicine

definitive host de·fin·i·tive host (dĭ-fĭn'ĭ-tĭv)
n.
A host in which a parasite develops to an adult or sexually mature stage. Also called final host.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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definitive host in Science
definitive host
  (dĭ-fĭn'ĭ-tĭv)   
See under host.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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