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Spark plug
Meaning
Noun
●
The part of an
internal combustion engine
which
forms
a
high-voltage
electric
spark
which
ignites
the fuel-air
mixture
to
begin
the power stroke.
●
In Automotive:
Someone who is a
driving force
in new endeavours.
●
In Military:
A
rod
(for
cylindrical
secondaries
) or
sphere
(for
spherical
secondaries
) of
fissile
material
at the
center
of the
secondary
of a
multistage
thermonuclear weapon
, which
undergoes
nuclear fission
when
compressed
to
supercriticality
by the
imploding
secondary
,
helping
to
raise
the
secondary
to the
pressures
and
temperatures
necessary
to
ignite
nuclear fusion
in the
secondary
's
fusion
fuel.
Sourced from
Wiktionary
Synonyms
Sparkplug
Catalyst
Instigator
Stimulus
Sparking Plug
Mover And Shaker
Straw That Stirs The Drink
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