cymograph

Main Entry: ky·mo·graph
Pronunciation: -"graf
Function: noun
: a device which graphically records motion or pressure; especially : a recording device including an electric motor or clockwork that drives a usually slowly revolving drum which carries a roll of plain or smoked paper and also having an arrangement fortracing on the paper by means of a stylus a graphic record of motion or pressure (as of the organs of speech, blood pressure, or respiration) often in relation to particular intervals of time —ky·mo·graph·ic /"kI-m&-'graf-ik/ adjective —ky·mog·ra·phy /kI-'mäg-r&-fE/ noun plural -phies

kymograph ky·mo·graph (kī'mə-grāf')
n.
An instrument for recording variations in pressure, as of the blood, or in tension, as of a muscle, by means of a pen or stylus that marks a rotating drum.

---

ky'mo·graph'ic adj.
ky'mo·gram' (-grām') n.
ky·mog'ra·phy (-mŏg'rə-fē) n.