non·stress test 
(nŏnstrĕs)
(nŏnstrĕs)n.
An ultrasound examination of a fetus that measures fetal well-being by correlating fetal movement with changes in fetal heartbeat.
- covering letter
- coverless
- coverlet
- cover letter
- coverlid
- cover (one's) ass
- cover one's ass
- cover (one's) tracks
- cover one's tracks
- coverpoint
- covers
- coversine
- cover slip
- coverslip
- cover story
- covert
- cover (the) ground
- cover the ground
- cover the waterfront
- covertly
- covertness
- cover tracks
- coverture
- cover up
- cover-up