(physics) the effect in which a conductor that carries an electric current perpendicular to an applied magnetic field develops a voltage gradient transverse to both current and field

(film, television) An effect that cannot be reasonably achieved by normal means, as for example by the digital manipulation of previously filmed footage.

Producing the intended result; entirely adequate.

(obsolete) Of substances, quantities etc: exhausted, spent, worn-out. / Lacking strength or vitality; feeble, powerless, impotent. / Decadent, weak through self-indulgence.

vibration in the rotor of a helicopter due to differential drag

(chemistry, physics) A distortion of any symmetric non-linear molecule which reduces its symmetry and lowers its energy.

(physics) The zero-voltage current of paired electrons through a weak connection between superconductors.

(physics) Birefringence of a material induced by an electric field due to partial orientation of its molecules.

(of a drug, etc.) To become active; to become effective. / (of a law, etc.) To come into force, to come into effect, to inure.

(physics) the reversible change in temperature that accompanies the change of magnetization of a ferromagnetic or paramagnetic material