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# ignition

«ignition» in Mova's school dictionary: **the moment something catches fire or starts burning** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (ignition, an ignition; ignitions)

### meaning for a pupil

1) Ignition is the moment something catches fire or starts burning. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ignition/#m1)

2) The ignition in a car is the switch, often turned with a key or a button, that starts the engine. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ignition/#m2)

3) (science) Ignition is the start of burning in an engine or rocket when fuel is lit. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ignition/#m3)

### sense in the lessons

In science lessons on fire, ignition needs the three parts of the fire triangle: fuel, heat and oxygen. In everyday life Dad «turns the key in the ignition». In rocket launches the countdown ends with «ignition» and «lift-off». Phrases: «turn the key in the ignition», «point of ignition», «ignition key», «ignition!».

### examples

- Mum turned the key in the ignition and the car started. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ignition/#x1)
- «Three, two, one, ignition, lift-off!» [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ignition/#x2)
- Never leave the keys in the ignition. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ignition/#x3)
- A spark caused the ignition of the gas. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ignition/#x4)
- Ignition needs heat, fuel and oxygen. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ignition/#x5)
- The firefighters found the point of ignition in the kitchen. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ignition/#x6)
- The rocket's engines roared at ignition. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ignition/#x7)

### note

Noun from the verb «ignite» (to set on fire). Spelled with «-tion». Usually uncountable for the act; countable for the car switch («the ignition»). Safety: sources of ignition (matches, sparks, flames) must be kept away from petrol and gas.

### Trees and pragmatics

[Every meaning and example of «ignition» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ignition/), each sentence with its dependency tree and frames.
