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Buoyancy stands for

• a reduction in the weight of a body in a fluid,
  • the static buoyancy of a submerged body,
  • the dynamic lift of a body in a flow
• the rising of water from deeper layers, see buoyancy (oceanography)
• the relocation of grazing cattle to mountain pastures, see Almauftrieb
• living things floating in the water, see plankton
• ascending substances in the flotation separation process

This is a disambiguation page for differentiating between several terms identified with the same word.