that point in a floating body at which a vertical line drawn through its center of buoyancy when it is upright meets the vertical line drawn through its center of buoyancy when it is tipped; center of gravity of the part of a floating body that is not submerged: for stability the metacenter must be above the center of gravity
"metacenter." YourDictionary, n.d. Web. 18 December 2018. <https://www.yourdictionary.com/metacenter>.
metacenter. (n.d.). Retrieved December 18th, 2018, from https://www.yourdictionary.com/metacenter
The point where an imaginary vertical line running through the center of buoyancy of a tilted floating body crosses the line that originally passed vertically through the body's center of buoyancy when it was at equilibrium.