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Word of the Day - Infradian
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infradian
adjective
Physiology
(of a rhythm or cycle) having a period of recurrence longer than a day; occurring less than once a day.
Compare with ultradian and circadian
Origin
Mid 20th century: from infra- below (i.e. expressing a lower frequency), on the pattern of circadian.
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As a concession to Bob's health, He's changed from having ice cream every day to an irregular infradian pattern. Ice cream dessert still does happen at least once a week. By contrast, Bob has a diet soda on an ultradian cycle. To wrap up the idea, he sleeps with a circadian rhythm.
