momentum

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. an impelling force or strength (Freq. 7)
- the car's momentum carried it off the road
• Syn:
impulse
• Hypernyms:
force, forcefulness, strength
2. the product of a body's mass and its velocity (Freq. 2)
- the momentum of the particles was deduced from meteoritic velocities
• Hypernyms:
physical property
• Hyponyms:
angular momentum