Centre of buoyancy and Center of mass

Centre of buoyancy noun - (physics) the center of mass of the immersed part of ship or other floating object.

Center of mass and centre of buoyancy are semantically related. In some cases you can use "Center of mass" instead a noun phrase "Centre of buoyancy".

Center of mass noun - Point representing the mean position of the matter in a body.

Centre of buoyancy and center of mass are semantically related. Sometimes you can replace phrase "Centre of buoyancy" with "Center of mass", this phrases are similar.