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Definition of Semidiurnal
1. a. Pertaining to, or accomplished in, half a day, or twelve hours; occurring twice every day.
Definition of Semidiurnal
1. Adjective. Twice daily (context: usually of tides). ¹
¹ Source: wiktionary.com
Definition of Semidiurnal
1. [adj]
Lexicographical Neighbors of Semidiurnal
Literary usage of Semidiurnal
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Tides and Kindred Phenomena in the Solar System: The Substance of by George Howard Darwin (1898)
"In the first and most important group the crests follow one another at intervals
of somewhere about 12 hours; these are called the semidiurnal tides. ..."
2. Report of the Annual Meeting (1877)
"The elliptic " semidiurnal tides agree within narrow limits with the values ...
The proportion between the solar and lunar semidiurnal tides at Toulon, ..."
3. The Philosophical Transactions and Collections, to the End of the Year 1700 by Royal Society (Great Britain), John Lowthorp, Henry Jones, John Eames, John Martyn (1716)
"Arch L 5, being the semidiurnal Arch in that Latitude "and ... Parallels) being
multiplied by the Sine of the semidiurnal Arch, will give an Area Analogous ..."
4. Report of the Annual Meeting (1860)
"On the semidiurnal and Annual Variations of t/ie Barometer. By JOHN ALLAN BROUN,
FHS, Director of the Observatories of His Highness the Rajah of Travancore. ..."
5. On the Connection of the Physical Sciences by Mary Somerville (1846)
"Tides—Forces that produce them—Three kinds of Oscillations in the Ocean —The
semidiurnal Tides—Equinoctial Tides—Effects of the Declination of the Sun and ..."