Defn: The trace or record of an earth tremor, made by means of a seismograph.

SEISMOGRAPH
Seis"mo*graph, n. Etym: [Gr. -graph.] (Physics)

Defn: An apparatus for registering the shocks and undulatory motions of earthquakes.

SEISMOGRAPHIC
Seis`mo*graph"ic, a.

Defn: Of or pertaining to a seismograph; indicated by a seismograph.

SEISMOGRAPHY
Seis*mog"ra*phy, n.

1. A writing about, or a description of, earthquakes.

2. The art of registering the shocks and undulatory movements of earthquakes.

SEISMOLOGICAL
Seis`mo*log"ic*al, a.

Defn: Of or pertaining to seismology.
— Seis`mo*log"ic*al*ly, adv.