escape velocity
"Escape velocity" is a critical concept in astrophysics and space exploration, essential for understanding how objects break free from gravitational forces.
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Definition
C1Astrophysics
(technical, scientific)The minimum speed required for an object to break free from the gravitational pull of a celestial body without additional propulsion.
Example
- A spacecraft must reach escape velocity to leave Earth's orbit and travel into space.
C1General
(figurative)A significant breakthrough or milestone that allows for rapid progress or advancement.
Example
- The company's new product achieved escape velocity, leading to unprecedented growth.
Similar
Terms that have similar or relatively close meanings to "escape velocity":
first cosmic velocitysecond cosmic velocitythird cosmic velocityevent horizon