As nouns,
conservation of momentum is a hyponym of
conservation; that is,
conservation of momentum is a
word with a more specific, narrower meaning than
conservation:
- conservation: (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations
- conservation of momentum: the principle that the total linear momentum in a closed system is constant and is not affected by processes occurring inside the system
Other hyponyms of conservation include
conservation of charge,
conservation of electricity,
conservation of energy,
first law of thermodynamics,
law of conservation of energy,
conservation of mass,
conservation of matter,
law of conservation of mass,
law of conservation of matter,
conservation of parity,
mirror symmetry,
parity,
space-reflection symmetry.