Also found in: Thesaurus, Encyclopedia, Wikipedia.
An instrument for automatically detecting and recording the intensity, direction, and duration of a movement of the ground, especially of an earthquake.
seis·mog′ra·pher (sīz-mŏg′rə-fər) n.
seis′mo·graph′ic (-grăf′ĭk), seis′mo·graph′i·cal (-ĭ-kəl) adj.
(Geological Science) an instrument that registers and records the features of earthquakes. A seismogram (ˈsaɪzməˌɡræm) is the record from such an instrument. Also called: seismometer
seis•mo•graph(ˈsaɪz məˌgræf, -ˌgrɑf, ˈsaɪs-)
any of various instruments for measuring and recording the vibrations of earthquakes.
seis`mo•graph′ic (-ˈgræf ɪk) seis`mo•graph′i•cal, adj.
An instrument that detects and records vibrations and movements in the Earth, especially during an earthquake. By comparing the records produced by seismographs located in three or more locations across the Earth, geologists can determine the location and strength of an earthquake. ♦ The record produced by a seismograph is called a seismogram.
an instrument for measuring and recording the intensity of earth tremors.See also: Instruments
any of various devices for measuring and recording the vibrations and intensities of earthquakes. — seismographer, n. — seismographic, seismographical, adj.See also: Earthquakes
An instrument used to detect and record movements of the ground, especially during Earth tremors.
Switch to new thesaurus
|Noun||1.||seismograph - a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake)|