Wiktionary
center of buoyancy
n. (standard spelling of centre of buoyancy from=American spelling English)
WordNet
center of buoyancy
n. (physics) the center of mass of the immersed part of ship or other floating object [syn: centre of buoyancy, center of immersion, centre of immersion]
Usage examples of "center of buoyancy".
The swimmer waved him into position, putting me under the sub's center of buoyancy, and he made contact.
When the center of gravity gets higher than the center of buoyancy, it has to turn over.