Word.ws English Dictionary

circatidal

circatidal adjective: approximately in time with the tides.

Adjective

circatidal (not comparable)

  1. Approximately in time with the tides.
    • In the laboratory, the animals show a circatidal swimming rhythm, entrained by hydrostatic pressure stimulus.2014, Tadashi Akiyama, “Chapter 4: Circatidal and Circadian Rhythms in Crustacean Swimming Behavior”, in Hideharu Numata, Barbara Helm, editors, Annual, Lunar, and Tidal Clocks, Springer, page 65
    • […]green shore crab Carcinus maenas lay the foundation on the circatidal rhythmicity of coastal crabs and how such behaviour may be underpinned by internal physiological and neurological mechanisms.2015, S. Y. Lee, “Chapter 71-9: Ecology of Brachyura”, in Peter Castro, Peter Davie, Danièle Guinot, Frederick Schram, Carel von Vaupel Klein, editors, Treatise on Zoology - Anatomy, Taxonomy...

Origin of circatidal

circa (“approximately”) + tidal; modelled on circadian.

Questions about circatidal

What does circatidal mean?
Circatidal means approximately in time with the tides.
What part of speech is circatidal?
Circatidal is an adjective.

Words near circatidal in the dictionary

  1. Circassian chicken
  2. Circassianness
  3. Circassians
  4. Circassic
  5. Circassienne
  6. circatidal
  7. Circe
  8. Circean
  9. Circean poison
  10. circed
  11. Circensial

Source and license

Adapted from Wiktionary: circatidal (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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