A unit of force equal to a mass of one avoirdupois pound times a standard acceleration of gravity, equal to about 4.44822 newtons. Symbol lbf or lb_f.

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

a temporary group of military units brought together, under a single commander, to accomplish a specific objective / (by extension) a similar group of individuals assigned a task

(physics) the force associated with a magnetic field and that produces magnetic flux; it is the work required to carry a magnetic monopole of unit strength once round a magnetic circuit; measured in ampere-turns

(physics) Potential energy (not force) divided by electric charge; measured in volts

(physics) An imaginary line in a field of force, whose tangent at any point gives the direction of the field at that point and whose number through unit area perpendicular to the field represents its intensity.

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.

To cause something to be ejected / (baseball) To create an out by touching a base in advance of a runner who has no base to return to while in possession of a ball which has already touched the ground

(baseball) An instance of an out created by touching a base in advance of a runner who has no base to return to while in possession of a ball which has already touched the ground.

(physics) The electrostatic force between two charges, as described by Coulomb's law.