• synonyms


noun Ecology.
  1. the establishment of an immigrant plant in a new environment.
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Origin of ecesis

1900–05; < Greek oíkēsis an inhabiting, equivalent to oikē-, variant stem of oikeîn to inhabit (derivative of oîkos house) + -sis -sis
Related formse·ce·sic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ecesis

Historical Examples

  • Invasion into a new area or a plant community begins with migration when this is followed by ecesis.

    Introduction to the Science of Sociology

    Robert E. Park

  • In an area already occupied by plants, ecesis and competition are concomitant and quickly produce reactions.

British Dictionary definitions for ecesis


  1. the establishment of a plant in a new environment
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Word Origin

C20: from Greek oikēsis a dwelling in, from oikein to inhabit; related to oikos a house
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