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Octans

[ok-tanz] /ˈɒk tænz/
noun, genitive Octantis
[ok-tan-tis] /ɒkˈtæn tɪs/ (Show IPA).
Astronomy
1.
the Octant, a southern constellation that contains the south celestial pole.
Origin
< Late Latin: eighth part of a circle, equivalent to oct- oct- + -āns, as in quadrāns quadrant

octan

[ok-tuh n] /ˈɒk tən/
adjective
1.
(of a fever) occurring every eighth day.
noun
2.
an octan fever.
Origin
1895-1900; < French octane, Middle French octaine, derivative of Latin octō eight, on the model of quartaine quartan
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for Octans

Octans

/ˈɒktænz/
noun (Latin genitive) Octantis (ɒkˈtæntɪs)
1.
a faint constellation in the S hemisphere in which the S celestial pole is situated
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Octans in Medicine

octan oc·tan (ŏk'tān')
adj.
Occurring every eighth day. Used of a recurring fever.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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