sparkplug

Cylinder's fire starter

A sparkplug is a device that produces an electric spark to ignite fuel in an internal combustion engine.

Figuratively, a sparkplug is someone who energizes a group or drives action: She was the sparkplug of the whole operation.

Also spelled as two words: spark plug.

ignition

gap

Unfilled space between

coil · distributor · ignition · misfire · fouling · gapping · wire · boot · pre-ignition · detonation

engine

piston

Reciprocating cylinder component

camshaft · valvetrain · intake · exhaust · manifold · horsepower · torque · fuel injection · turbocharger · supercharger

catalyst

instigator

One who provokes action

driver · activator · initiator · leader · mover · inspirer · firebrand · go-getter · live wire · self-starter

mechanic

wrench

Tool for turning fasteners

  • socketHollow receiving cavity
  • torqueRotational force measurement
  • tune-upRoutine vehicle maintenance

replacement · diagnostics · maintenance · repair · garage · grease · ratchet · feeler gauge · anti-seize · thread

vitality

energy

Power to do work

drive · spirit · pep · verve · zest · liveliness · animation · spunk · vim · oomph

Categories
Opposites
ignition function

sparkplugkill switch

Emergency shutoff mechanism

choke · fire extinguisher · engine brake · dampener · damper

personality/group dynamics (figurative sense)

sparkplugwet blanket

One who discourages others

killjoy · party pooper · buzzkill · deadweight · drag

electrical component role

sparkplugbattery

Portable electricity storage

ground wire · resistor · capacitor · alternator · fuse

Family

sparkplugs

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G