propulsion (C1)

noun

Pronunciation: /prəˈpʌlʃən/

Definition

The action of driving or pushing an object forward, typically through the use of mechanical force.

Examples

• Modern submarines rely on nuclear propulsion for long-range underwater travel.

• Engineers are researching new methods of ion propulsion to make space exploration more efficient.

• The bird uses the rapid flapping of its wings as the primary means of propulsion through the air.

Synonyms of propulsion

Words with a similar meaning to propulsion:

• push
• drive
• thrust
• impulsion

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