sphygmographs
/sfɪɡməɡræfs/
noun
- Plural of sphygmograph; instruments that record the pulse or heartbeat.
- Collectors of medical antiques often seek out rare sphygmographs from the 1800s.
- The museum displayed several antique sphygmographs used by Victorian doctors.
- Modern sphygmographs have been replaced by digital heart monitors.