元となった辞書の項目
dark energy
noun
(astronomy,
astrophysics)
A
hypothetical
form
of
energy
which,
it
is
supposed,
is
spread
uniformly
throughout
space
(and
time)
and
has
anti-gravitational
properties:
it
represents
a
possible
mechanism
for
the
cosmological
constant,
and
thus
is
one
of
the
possible
explanations
for
the
current
accelerating
rate
of
expansion
of
the
universe;
and
it
is
estimated
to
account
for
about
74%
of
the
mass-energy
of
the
universe.
意味（1）
(astronomy,
astrophysics)
A
hypothetical
form
of
energy
which,
it
is
supposed,
is
spread
uniformly
throughout
space
(and
time)
and
has
anti-gravitational
properties:
it
represents
a
possible
mechanism
for
the
cosmological
constant,
and
thus
is
one
of
the
possible
explanations
for
the
current
accelerating
rate
of
expansion
of
the
universe;
and
it
is
estimated
to
account
for
about
74%
of
the
mass-energy
of
the
universe.
