intermigration

[ in-ter-mahy-grey-shuh n ]
/ ˌɪn tər maɪˈgreɪ ʃən /

noun

reciprocal migration; interchange of habitat by migrating groups.

Origin of intermigration

First recorded in 1670–80; inter- + migration
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for intermigration

intermigration

/ (ˌɪntəmaɪˈɡreɪʃən) /

noun

migration between two groups of people, animals, etc, resulting in an exchange of habitat
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012