cosmic time
English
Noun
cosmic
time
(
countable and uncountable
,
plural
cosmic times
)
(
physics
,
cosmology
)
The
measure
of
time
by a
physical
clock
with
zero
peculiar
velocity
in the absence of
matter
overdensities
or
underdensities
; commonly used in the
Big Bang
models
of
physical
cosmology
.