WordGarden.ioignition
C2Pronunciation
UK
- /ɪɡnˈɪʃən/
US
- /ˌɪɡˈnɪʃən/
Meanings
Noun
the system or switch that starts an engine
the process of starting to burn or making fuel burn
the beginning or triggering of an activity, feeling, or event
Beyond the definition
Ignition is often linked with cars, but the idea is wider than that. It means the act of starting burning or starting an engine. In a car, it can mean the system or switch that starts the engine. In other settings, it is the moment when something catches fire or is set off.
You will see it most in phrases like "ignition switch," "ignition system," or "ignition point." It can also appear in a figurative way for the start of something intense, but the core idea is still a beginning caused by a spark, heat, or trigger.
Ignition is the act or process of causing something to start burning, or of starting an engine. This is the central meaning of the word. When people talk about a car's ignition, they may mean the whole system that starts the engine, or the key slot, button, or switch used to begin that process.
The word is strongly connected with fire, heat, fuel, and sparks. In science and engineering, it describes the moment when a substance begins to burn. In everyday life, it is common in mechanical contexts, especially with cars, motorcycles, and other machines that need fuel and a spark to begin running.
The word can also be used more loosely for the start of something sudden or powerful. For example, people may speak about the ignition of unrest, interest, or passion. That use is less literal, but it keeps the same image of something being set off and quickly coming to life.
Consider these examples:
- "A small spark was enough to cause ignition" (literal fire).
- "The mechanic checked the ignition before trying to start the car" (mechanical).
- "The speech led to the ignition of public anger" (figurative beginning).
So, whether it is fuel starting to burn in an engine or a fire being set off, ignition is about the moment a process begins. At its heart, it names the trigger that brings heat, movement, or action to life.
Examples
- 1
Starting a car
She turned the key in the ignition, but the engine still wouldn't start.
- 2
Car keys
I left my keys in the ignition while I ran back inside for my phone.
- 3
Safety instruction
Turn off the ignition before you get out of the car.
- 4
Mechanical problem
The mechanic said the problem was in the ignition system, not the battery.
More examplesFewer examples
- 5
Fire safety
Keep gasoline away from any source of ignition.
- Phrasesource of ignition
anything that can start a fire
See also
Forms and spellings
2 forms open this card.
Main spelling
- ignitionnoun
Forms
- ignitionspluralnoun