Surface of flotation

(Shipbuilding) the imaginary surface which all the planes of flotation touch when a vessel rolls or pitches; the envelope of all such planes.

See also: Flotation

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Froth washing by spraying or sprinkling clean water containing frother onto the surface of flotation froths in mechanical cells affects the metallurgical performance for a number of reasons, with concentrate grade improvements largely due to the increased rejection of entrained or weakly held gangue particles.