ul·tra·di·an 
(ŭl-trādē-ən)
(ŭl-trādē-ən)adj.
Relating to or exhibiting periodic physiological activity that occurs more than once every 24 hours.
[ULTRA- + (CIRCA)DIAN.]
| 单词 | ultradian |
| 释义 | ul·tra·di·an (ŭl-trādē-ən)adj. Relating to or exhibiting periodic physiological activity that occurs more than once every 24 hours. [ULTRA- + (CIRCA)DIAN.] |
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