infradian

adjective

in·​fra·​di·​an in-ˈfrā-dē-ən How to pronounce infradian (audio)
: being, characterized by, or occurring in periods or cycles (as of biological activity) of more than 24 hours
infradian rhythms of growth
compare circadian, ultradian

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Cite this Entry

“Infradian.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/infradian. Accessed 28 Feb. 2025.

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