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octan

[ ok-tuhn ]
/ ˈɒk tən /
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adjective

(of a fever) occurring every eighth day.

noun

an octan fever.

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Origin of octan

1895–1900; <French octane,Middle French octaine, derivative of Latin octōeight, on the model of quartainequartan
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Medical definitions for octan

octan
[ ŏktăn′ ]

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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