allochthon(redirected from Allochthonic)
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n. pl. al·loch·thons or al·loch·tho·nes (-thə-nēz′)
1. One that originated or was formed in a place other than where it is found, especially a rock formation that has been displaced.
2. A member of a human population that relocated or was displaced from a particular area.
3. Ecology A plant or animal that is not indigenous.
[German : allo-, allo- (from Greek, from allos, other; see al- in Indo-European roots) + Greek khthōn, earth; see dhghem- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.