1 Buoyancy (also known as the buoyant force) is the force exerted on an object that is wholly or partly immersed in a fluid. 2  The symbol for the magnitude of buoyancy is B or FB.3  As a vector it must be stated with both magnitude and direction. Buoyancy (also known as the buoyant force) is the force exerted on an object that is wholly or partly immersed in a fluid. 2  The symbol for the magnitude of buoyancy is B or FB.
epicenter. 1  Also, epicentrum. Geology. a point, directly above the true center of disturbance, from which the shock waves of an earthquake apparently radiate. 2  a focal point, as of activity: Manhattan's Chinatown is the epicenter of the city's Chinese community.
In everyday conversation, epic is often slang for superb or excellent. The term is also applied to productions on a large or grandiose scale (novels, movies).n everyday conversation, epic is often used loosely to refer to  anything big or important or long. All such uses are metaphorical  extensions of its basic meaning, in wh â¦ ich it denotes a literary  genre, an extended verse narrative.