1. n. [Geophysics]

The duration of the passage of a signal from the source through the Earth and back to the receiver. A time seismic section typically shows the two-way traveltime of the wave.

Synonyms: acoustic traveltime

See: acoustic log,  average velocity,  depth map,  depth migration,  isochron map,  receiver,  signal,  sonic log,  source,  two-way traveltime,  wave