Also called condenser. A device for accumulating and holding a charge of electricity, consisting of two equally charged conducting surfaces having opposite signs and separated by a dielectric.

Speed

A self-sustaining chemical or nuclear reaction yielding energy or products that cause further reactions of the same kind

Chirality essentially means 'mirror-image, non-superimposable molecules', and to say that a molecule is chiral is to say that its mirror image (it must have one) is not the same as it self.

A flow of electric charge (electricity)