Definition of seismic in English:

seismic

Syllabification: seis·mic
Pronunciation: /ˈsīzmik
 
/

adjective

1Of or relating to earthquakes or other vibrations of the earth and its crust.
More example sentences
  • Area vulcanologists said seismic activity remained at stable, non-threatening levels.
  • There were also seismic activity earthquakes in central California.
  • The Government has already identified areas that are vulnerable to earthquake based on seismic activity.
1.1Relating to or denoting geological surveying methods involving vibrations produced artificially by explosions.
More example sentences
  • Someone had to man the rigs and further seismic surveying would be based at a nearby port.
  • Problems often occur with seismic surveying at sea, such as battery power that is sapped after a few months and release mechanisms that do not perform correctly.
  • Before the wells were dug, surveys and seismic testing had to be undertaken using sonar equipment, to find the best site for digging.
1.2Of enormous proportions or effect: there are seismic pressures threatening American society
More example sentences
  • Barring an event of seismic proportions, the ruling party's candidate will be Namibia's President-elect.
  • It is a reminder that travel can have a seismic effect, either on the travellers and their homeland or the places visited.
  • For this to happen it will take a cultural change of seismic proportions.

Origin

mid 19th century: from Greek seismos 'earthquake' (from seien 'to shake') + -ic.

Derivatives

seismical

adjective

seismically

Pronunciation: /-ik(ə)lē/
adverb
More example sentences
  • ‘Nevada is the second most seismically active state in the US after California,’ said Voegele.
  • Iran, Afghanistan, Pakistan and Northern India are seismically active because of this major set of faults.
  • Greece is one of the most seismically active countries in Europe.

Definition of seismic in: