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azygous

[az-uh-guh s, ey-zahy-]
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adjective Biology.
  1. not being one of a pair; single.
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Origin of azygous

1640–50; < Greek ázygos, equivalent to a- a-6 + zygós, derivative of zygón yoke1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for azygous

Historical Examples

  • The last joint in the abdomen of Crustacea; variously regarded as a segment without appendages, or as an azygous appendage.

    The Ancient Life History of the Earth

    Henry Alleyne Nicholson

British Dictionary definitions for azygous

azygous

adjective
  1. biology developing or occurring singly
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Word Origin

C17: via New Latin from Greek azugos, from a- 1 + zugon yoke
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