from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Spending different stages of a life cycle on different, usually unrelated hosts. Used of parasites such as rust fungi and tapeworms.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of dependent organisms, spending portions of the life cycle on different types of hosts.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Passing through the different stages in its life history on an alternation of hosts, as the common wheat-rust fungus (Puccinia graminis), and certain other parasitic fungi; -- contrasted with autœcious.

from The Century Dictionary and Cyclopedia

  • Pertaining to or characterized by heterœcism.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. of parasites; passing through different stages of the life cycle on different host species


hetero- + Greek oikiā, house; see weik-1 in Indo-European roots + -ous.
(American Heritage® Dictionary of the English Language, Fourth Edition)
hetero- + -oecious (Wiktionary)


Sorry, no example sentences found.


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