heartratemonitor
nounUK /ˈhɑːt.reɪt ˌmɒn.ɪ.tər/
US /ˈhɑːrt.reɪt ˌmɑː.nɪ.tɚ/
A small machine that shows how fast your heart is beating.
The doctor put a heartratemonitor on my wrist to check my heart.
RELATED WORDS
OTHER MEANINGS
2. A device worn during exercise to track how hard your heart is working.
My heartratemonitor beeped when I ran too fast.
3. A medical machine in a hospital that watches a patient's heart all the time.
The heartratemonitor beside the bed showed a steady beat.
4. An app or feature on a smartwatch that records your pulse.
She opened the heartratemonitor on her watch after her walk.