The impulse to work persistently until one's desires realize themselves; determination.

(horticulture) The art of raising plants at an earlier season than is normal, especially by using a hotbed

present participle of force

(bridge) Pertaining to a bid which requires partner to continue bidding rather than pass.

plural of forcing

In everyday understanding, the effect that tends to move an object away from the center of a circle it is rotating about (a consequence of inertia).

(mechanics) A polygonal figure the sides of which are vectors representing several forces acting simultaneously upon one point, so that the vector necessary to make the figure closed is the resultant of those forces.

(mechanics) A parallelogram, two adjacent sides of which are vectors having the same initial point and representing two forces acting simultaneously upon this point, such that the resultant of the forces is given by the diagonal of the parallelogram that passes through this point.

(physics) Any of the fundamental forces that act between elementary particles; each one is associated with an exchanged particle.

A branch of the military mainly devoted to air warfare, as opposed to (land) army and navy. / A unit in the U.S. Air Force larger than a division but smaller than a command.