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plug

plug

32 6.8
A device in an engine that makes a small electric spark to ignite fuel
  • noun
  • /plʌg/
  • Specialized
translation icon : bujía
  • In the 1920s, he produced photographs of typewriters, spark plugs, and other products for advertising agencies.
  • spark plug
  • replace a spark plug

But you don't want this sort of fuel in an engine with spark plugs.

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Examples

  • But, regarding your comment, you might check your spark plugs; one might be fouling out a bit.

    Blog text (5)
  • Spark plugs are okay.

  • Your spark plug was loose.

  • Better take that dollar and buy yourself a new spark plug or something.

  • Fairly and truly struck, the plug was pushed into the cylinder.

    Fiction book (2001)
  • Also, clean the oil off the spark plug wire boot for that cylinder.

    Blog text (2)
  • Gaskets, pistons, spark plugs.

  • The mechanic replaced the faulty spark plug to improve the engine's performance.

  • Before the race, the team checked all the spark plugs to ensure proper ignition.

  • He realized that the spark plug was cracked and needed to be changed immediately.

Synonyms

spark plug
vsplug
  • Specialized
16 3.5

A small part in a car engine that makes a tiny electric flash to light the fuel and air

refers to igniting fuel alone rather than the fuel-air mixture
sparking plug
vsplug
  • Archaic
3.9

A small electric part that makes a spark to light the fuel in a car engine

is the standard term rather than an alternate naming form

Idioms

1 9.6

Has no value and is useless to anyone

to plug and chug
  • Informal
8.2

To find an answer by putting numbers into an equation and doing the math

8.5

To connect a device and hope it works

Compounds

spark plug
  • Specialized
16 3.5

A small part in a car engine that makes a tiny electric flash to light the fuel and air

plug-in
  • Specialized
9 3.5

A vehicle or device you can connect to electricity to charge its battery

plug-in
  • Specialized
9 4.2

A small program you add to software to give it new features

plug and play
  • Specialized
2 4.2

Works as soon as you connect or install it without needing any setup

plug-in
  • Specialized
2 4.3

A small circuit board you put into a computer slot to add new ports or features

plug nickel
  • Archaic
1 9.9

A thing that is worth almost nothing

1 2.4

An electrical socket in a wall where you connect a device to get power

male plug
  • Specialized
1 3.9

A connector with two or three metal pins that you insert into a socket to get power

1 3.2

A small part you push into a wall socket to connect a telephone

3.0

A small object that stops water leaving a sink or bathtub

2.3

A stopper that fits into a bath drain to keep water in

3.7

A small flat piece used to cover screw holes in furniture

plug button
  • Specialized
5.0

A small cover that hides screw holes in furniture

plug fuse
  • Archaic
6.4

A small safety device that screws into a socket to stop too much electricity

plug hat
  • Archaic
9.9

A tall formal hat with a flat top and narrow brim worn by men

plug-ugly
  • Offensive
9.9

A violent person who bullies weaker people

A small connector that fits into a socket to connect a phone to a phone line

2.5

A small stopper that blocks a sink drain so water stays in the basin

sparking plug
  • Archaic
3.9

A small electric part that makes a spark to light the fuel in a car engine

Surface Forms

plug singular
plugs plural

Etymology

The engine plug, a spark plug, is a small part that fits into the engine and makes a spark to light the fuel. So a 'plug' in an engine is named because it fits into a hole and does an important job.