A toothbrush that uses electric power, usually supplied by a battery, to move the brush head rapidly.

(chemistry) Any of several forms of extended covalent bond, deficient in one electron, joining three atoms.

The use of electrical energy as a medical treatment.

Electric energy delivered to a consumer from the public electricity network.

(informal, physics) The triboelectric series

Alternative spelling of electroencephalography

(physics) The coupled interaction between matter and an electromagnetic field within a resonating structure

(physics) The phenomena associated with moving electric charges, and their interaction with electric and magnetic fields; the study of these phenomena.

(physics, chemistry) The arrangement of electrons in an atom, molecule, or other physical structure like a crystal.

(analytical chemistry) An item of laboratory equipment used coupled to a gas chromatograph for the detection and quantification of very minute amounts halogenated organic compounds.