ignition

The definition of an ignition is a system or device that sets something on fire.

(noun)

An example of an ignition is what turns your car's engine on when you turn the key.

See ignition in Webster's New World College Dictionary

noun

a setting on fire or catching on fire
the means by which a thing is ignited
in an internal-combustion engine,
1. the igniting of the explosive mixture in the cylinder
2. the device or system for doing this; esp. the key-operated switch
Chem. the heating of a compound or mixture to the point of complete combustion, complete chemical change, or complete removal of volatile material

Origin: ModL (Paracelsus) ignitio < L ignitus: see ignite

adjective

designating certain parts of an engine causing ignition

See ignition in American Heritage Dictionary 4

noun

The raising of a substance to its ignition point, as by electric current, friction, or mechanical shock.
a. An electrical system, typically powered by a battery or magneto, that provides the spark to ignite the fuel mixture in an internal-combustion engine.
b. A switch that activates this system.

Learn more about ignition

ignition synonyms

ignition in a sentence

link/cite print suggestion box