One of the 13 peripheries of Greece

(idiomatic, euphemistic) Clipping of close one's eyes and think of England and its variants.

(physics) A property, characteristic of the state of a thermodynamic system, the change of which is equal to the heat absorbed minus the work done by the system.

(curling) Overtime in a tied game

(physics) Any of the discrete stable energies that a quantum mechanical system (such as the electrons of an atom) can have. / Used other than figuratively or idiomatically: see energy, level.

(chiefly historical) The United Kingdom and its overseas dependencies and colonies.

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.

The process of developing memes, through meme-splicing and memetic synthesis, with the intent of altering the behavior of others in society or humanity.