infradian

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Cyclical with a periodicity significantly longer than 24 hours, that is, less frequent than circadian. not-comparable

词源

Uncertain. Possibly from the Latin infra (“below”) and diēs (“a day”) with the English suffix -an. Compare circadian, ultradian, and infra etc.
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