P-wave

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English[edit]

Alternative forms[edit]

Etymology[edit]

From p(rimary) + wave.

Noun[edit]

P-wave (plural P-waves)

  1. (geology, seismology) A longitudinal compressional wave produced by an earthquake.
    • 2004, Richard Fortey, The Earth, Folio Society 2011, p. 71:
      P-waves are the first to arrive; that is, they travel fastest. These are ‘push-pull’ waves analogous to sound waves, in which each particle moves back and forth as the waves propagate.

Synonyms[edit]

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