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: S Sè Sé S- S. S/ Sa Sb Sc Sd Se Sf Sg Sh Si Sj Sk Sl Sm Sn So Sp Sq Sr Ss St Su Sv Sw Sy Sz

Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY

seismic

POS

Adjective

HYPHEN

seis=mic

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WORDNET DICTIONARY

Adjective seismic has 1 sense

seismic(s = adj.all) seismal - subject to or caused by an earthquake or earth vibration; Array

Derived form noun seism₁

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CIDE DICTIONARY

seismic, a. [Gr. seismo`s an earthquake, from sei`ein to shake.].

Of or pertaining to an earthquake; caused by an earthquake. [1913 Webster]

Seismic vertical, the point upon the earth's surface vertically over the center of effort or focal point whence the earthquake's impulse proceeds, or the vertical line connecting these two points.

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OXFORD DICTIONARY

seismic, adj. of or relating to an earthquake or earthquakes.

Derivative

seismal adj. seismical adj. seismically adv.

Etymology

Gk seismos earthquake f. seio shake

For further exploring for "seismic" in Webster Dictionary Online