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energy mix
energy obesity
noun
activation energy
noun
(chemistry,
physics)
The
energy
required
to
initiate
a
reaction.
For
example,
the
flame
from
the
fuse
of
a
firecracker
provides
a
small
initial
amount
of
energy,
after
which
the
explosive
reaction
proceeds
by
itself,
releasing
a
considerably
larger
quantity
of
energy.
A
small
push
given
to
a
stable
but
top-heavy
object
may
cause
it
to
fall
over;
the
potential
energy
released
during
the
fall
was
present
in
the
system
all
along
but
could
not
be
realized
as
long
as
the
object
was
upright
and
balanced.
solar energy
noun
mechanical energy
internal energy
noun
energy level
noun
chemical energy
noun
geothermal energy
noun
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