INFRADIAN


Meaning of INFRADIAN in English

[ ɪn'freɪdɪən ]

■ adjective Physiology recurring less than once a day. Compare with ultradian .

Origin

1960s: from infra- 'below', on the pattern of circadian .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.