diurnation

noun

di·​ur·​na·​tion
ˌdī(ˌ)ərˈnāshən
plural -s
1
: the habit of sleeping or being quiescent by day
the diurnation of bats
2
: a daily recurrent fluctuation in an ecological community (as the vertical movement of plankton)

Word History

Etymology

Latin diurnus of the day, daily + English -ation (as in hibernation)

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Dictionary Entries Near diurnation

Cite this Entry

“Diurnation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diurnation. Accessed 15 Jun. 2024.

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