from The Century Dictionary.
- noun An instrument by the aid of which each pulse-beat makes a sound. It is a combination of a kind of sphygmograph with a microphone.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Physiol.) An electrical instrument for determining by the ear the rhythm of the pulse of a person at a distance.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physiology An
electrical instrumentfor determining by earthe rhythmof the pulseof a person at a distance.
from Wiktionary, Creative Commons Attribution/Share-Alike License
Ancient Greek, from words meaning "pulse" and "sound".
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