Usually means: Twice daily tidal or lunar cycle.
Definitions Related words Phrases Mentions History
We found 14 dictionaries that define the word semidiurnal:

General (13 matching dictionaries)
  1. semidiurnal: Merriam-Webster
  2. semidiurnal: American Heritage Dictionary of the English Language
  3. semidiurnal: Collins English Dictionary
  4. semidiurnal: Wordnik
  5. semidiurnal: Wiktionary
  6. semidiurnal: Webster's New World College Dictionary, 4th Ed.
  7. semidiurnal: Infoplease Dictionary
  8. semidiurnal: Dictionary.com
  9. Semidiurnal: Online Plain Text English Dictionary
  10. semidiurnal: Webster's Revised Unabridged, 1913 Edition
  11. Semidiurnal: AllWords.com Multi-Lingual Dictionary
  12. semidiurnal: FreeDictionary.org
  13. semidiurnal: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. semidiurnal: Encyclopedia

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Definitions from Wiktionary (semidiurnal)

▸ adjective:  Twice daily (usually of tides).
▸ adjective:  Accomplished in half a day.
▸ adjective:  (entomology) Flying in twilight.

Similar:
semi-daily, bidiurnal, sesquidiurnal, bidaily, noctidiurnal, semimenstrual, hemeral, semimonthly, bimonthly, biweekly, more...

Types:
neap tide, spring tide, more...

Phrases:
semidiurnal tide, more...

Adjectives:
solar, lunar, mixed, principal, pure, elliptic

▸ Words similar to semidiurnal

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▸ Popular nouns described by semidiurnal

▸ Words that often appear near semidiurnal

▸ Rhymes of semidiurnal

▸ Invented words related to semidiurnal

Similar:
semi-daily, bidiurnal, sesquidiurnal, bidaily, noctidiurnal, semimenstrual, hemeral, semimonthly, bimonthly, biweekly, more...

Types:
neap tide, spring tide, more...

Phrases:
semidiurnal tide, more...

Adjectives:
solar, lunar, mixed, principal, pure, elliptic



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