didymous
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did·y·mous
(dĭd′ə-məs)adj.
Arranged or occurring in pairs; twin.
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.
didymous
(ˈdɪdɪməs)adj
(Biology) biology in pairs or in two parts
[C18: from Greek didumos twin, from duo two]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
did•y•mous
(ˈdɪd ə məs)adj. Bot.
occurring in pairs; paired; twin.
[1785–95; < Greek dídymos twin, double; see -ous]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.