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Multi-word Results
| diesel engine |
a type of engine that burns fuel oil. Diesel engines are different from most car engines, which use an electric spark to ignite the fuel. In a diesel engine, the fuel is sprayed into a chamber and set on fire by the heat of air that has been put under high pressure. Big trucks have diesel engines. |
| fire engine |
a large truck that carries firefighters and their tools to a fire. Fire engines usually have a ladder and a pump for spraying water or chemicals used to put out fires. |
| jet engine |
an engine that causes forward movement by the power of a stream of gases being forced out under pressure in the opposite direction. Jet engines are often used in aircraft. |
| steam engine |
an engine which uses steam to supply energy to its mechanical parts. |
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