(chemistry) In electrolysis, the electrode potential at which current begins to increase appreciably, and electrolysis occurs.

(chemistry) The difference in voltage between an inert electrode and a system containing oxidation and reduction; a measurement of the system's oxidation

(physiology) A short-term change in the electrical potential that travels along a cell such as a nerve or muscle fiber.

Alternative spelling of afterpotential

(medicine) An electrical potential recorded from a human or animal following presentation of a stimulus, as distinct from spontaneous potentials as detected by electroencephalograms or electromyograms.

plural of action potential

(meteorology) a quantity which is proportional to the product of vorticity and stratification. When applied to air parcels, aids the understanding of cyclogenesis

plural of potential vorticity

plural of injury potential

(medicine) the electric potential arising in a muscle or nerve from trauma injury