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

semideserts
semidesperation
semidetached
semidetached house
semidiameter
semidiameters
semidiaphanous
semidiatessaron
semidiatessarons
semidilute
semidirect
semidirect leads
semidiscrete
semiditone
semiditones
semidiurnal (current term)
semidivine
semidocumentaries
semidocumentary
semidome
semidomed
semidomes
semidomestic
semidominant
semidouble
semidry
semidrying
semiduals
semiduplex
semidurable

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 ..."

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