| 单词 | ultradian |
| 释义 | ultradian[ uhl-trey-dee-uhn ] / ʌlˈtreɪ di ən / adjectiveof or relating to a biorhythm having a period of less than 24 hours. Origin of ultradianFirst recorded in 1960–65; ultra- + Latin di(ēs) “day” + -an Words nearby ultradianultracentrifuge, ultraclean, ultraconservative, ultracrepidarian, ultracritical, ultradian, ultra-distance, ultrafast, ultrafiche, ultrafilter, ultrafiltrate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for ultradianultradian [ ŭl-trā′dē-ən ] adj.Relating to or exhibiting periodic physiological activity that occurs more than once every 24 hours. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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