Definition of Ultradian

1. Adjective. Cyclical with a periodicity significantly shorter than 24 hours, that is, more frequent than circadian. ¹



¹ Source: wiktionary.com

Medical Definition of Ultradian

1. Relating to biologic variations or rhythms occurring in cycles more frequent than every 24 hours. Compare: circadian, infradian. Origin: ultra-+ L. Dies, day (05 Mar 2000)

Ultradian Pictures

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Lexicographical Neighbors of Ultradian

ultracontigs
ultraconvenient
ultracool
ultracooled
ultracrepidarian
ultracrepidarians
ultracrepidate
ultracrisp
ultracritical
ultracytostome
ultradeep
ultradelicate
ultrademocratic
ultradense
ultradesirable
ultradian (current term)
ultradian rhythm
ultradiscreet
ultradiscrete
ultradiscretizing
ultradispersed
ultradistance
ultradistant
ultradistinct
ultradolichocephalic
ultradrastic
ultradry
ultradurable
ultraefficient
ultraelegant

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