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Definitions from WordNet

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Escape Velocity

Part of Speech: Noun

Sense 1: The minimum speed that an object must reach in order to completely leave the gravitational pull of a planet or other celestial body.

Sample Sentence 1: The escape velocity of Earth is approximately 11.2 kilometers per second.

Sample Sentence 2: To launch a spacecraft into orbit, it needs to achieve escape velocity.

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Sense 2: The act of escaping or breaking free from a situation or location.

Sample Sentence 1: The prisoner carefully planned his escape velocity from the prison.

Sample Sentence 2: The company's strategic move was their escape velocity from financial crisis.

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