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.]
- constrainable
- constrainedly
- constrainer
- constraint
- constrict
- constriction
- constrictive
- constrictively
- constrictive pericarditis
- constrictor
- constringe
- constringency
- constringent
- construal
- construct
- constructer
- constructible
- construction
- constructional
- constructionally
- constructionist
- construction paper
- constructive
- constructive interference
- constructively