azygous

[az-uh-guh s, ey-zahy-]

adjective Biology.

not being one of a pair; single.

Origin of azygous

1640–50; < Greek ázygos, equivalent to a- a-⁶ + zygós, derivative of zygón yoke¹

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Examples from the Web for azygous

Historical Examples of azygous

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

biology developing or occurring singly

Word Origin for azygous

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