two-way traveltime
English
Noun
two-way
traveltime
(
countable and uncountable
,
plural
two-way traveltimes
)
(
geophysics
)
The
elapsed
amount
of
time
in which a
seismic wave
travels
from its
source
to a
given
reflector
and
returns
to a
receiver
at the
surface
of the
Earth
.