semidiurnal
Americanadjective
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pertaining to, consisting of, or accomplished in half a day.
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occurring every 12 hours or twice each day.
adjective
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of or continuing during half a day
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occurring every 12 hours
Etymology
Origin of semidiurnal
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
As a consequence the semidiurnal portion of the tide wave in these regions is almost wholly derived from the tides in the Atlantic Ocean.
From The North Pole Its Discovery in 1909 under the auspices of the Peary Arctic Club by Peary, Robert E. (Robert Edwin)
The semidiurnal tidal forces vanish at the Pole and are very small over the entire Arctic Ocean.
From The North Pole Its Discovery in 1909 under the auspices of the Peary Arctic Club by Peary, Robert E. (Robert Edwin)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
