xerarch

[ zeer-ahrk ]
/ ˈzɪər ɑrk /

adjective Ecology.

(of a sere) originating in a dry habitat.

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Origin of xerarch

1935–40; xer- + -arch
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for xerarch

xerarch
/ (ˈzɪərɑːk) /

adjective

ecology (of a sere) having its origin in a dry habitat

Word Origin for xerarch

from xer (o) - + Greek arkhē a beginning, from arkhein to begin
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