seismograph

seis·mo·graph (--graf′, --gräf′)

noun

an instrument that records the intensity and duration of earthquakes and similar tremors

Etymology: seismo- + -graph

seis·mog′·ra·pher (--mäg′rə fər) noun seis′·mo·graph′ic adjective seis·mog′·ra·phy noun

Converse of object

operate: From August 1994 until May 1997, a network of 8 three-component digital seismographs operated at the Acu reservoir.
invent: The first Professor of Engineering was James Alfred Ewing, a native Dundonian who invented the continuous seismograph.
use: The Richter Scale uses a seismograph to measure seismic waves.

Adjective modifier

digital: From August 1994 until May 1997, a network of 8 three-component digital seismographs operated at the Acu reservoir.

Modifies a noun

station: Figure 4. Locations of temporary seismograph stations ( red squares ) deployed around Manchester.
reading: Consider a second seismograph reading, this time from a station at Puerto Princes.

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