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Activation energy
Meaning
Noun
●
In 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.
Sourced from
Wiktionary
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