abbreviation

alternating current

adjective

an active electrical system is working

noun

a flow of electric current that keeps changing direction at a very fast rate

noun

a flash of light that happens when electricity flows between two separated points

verb

if electricity arcs, it makes a flash of light as it flows between two separate points

noun

a light that is produced when electricity flows between two separated points

noun

a short period when the electricity supply to a building or district is stopped, especially at night

noun

a temporary reduction of electric power in an area

noun

the amount or type of electrical force that something has. The protons in an atom have a positive charge, and the electrons have a negative charge.

verb

to put electricity into a piece of electrical equipment such as a battery

noun

an electric current that flows from positive to negative

noun

a flow of electricity

noun

electricity that flows from one place to another

abbreviation

direct current: electric current that always flows in the same direction. Electric current that changes direction is called AC or alternating current.

noun

an electric current that flows in one direction only. It is the form in which batteries supply electricity.

verb

if something discharges electricity, or if electricity is discharged, it flows out of that thing

noun

the flow of electricity, for example from a piece of equipment or during a storm

adjective

used for carrying electricity

adjective

relating to electricity

adjective

relating to electricity

noun

a form of energy that can produce light, heat, and power for machines, computers, televisions etc

noun

the electrical system in a building or machine

noun

the process of making something work by electricity, or of bringing a supply of electricity to a building or town

adjective

something that is electrified has electricity passing through it

verb

to provide something such as a town or a transport system with a supply of electricity

noun

a powerful magnet that uses an electric current passed in a wire around it to produce its force

adjective

relating to the use of an electric current to produce a magnetic field

adjective

using electricity and extremely small electrical parts such as microchips and transistors

adjective

involving the use of electronic equipment, especially computers

adverb

by a piece of electronic equipment, especially a computer

noun

electronic equipment, or equipment with electronic parts

noun

a form of power such as electricity, heat, or light that is used for making things work

adjective

a flat battery does not have enough power left in it

verb

if an electric current flows, it passes continuously through something

verb

if a piece of electrical equipment fuses, or if someone fuses it, it stops working when a thin piece of wire in it breaks because there is too much electricity flowing through it

adjective

a piece of electrical equipment that is fused contains a fuse

noun

a set of wires that carries the electricity supply

adjective

using water power to produce electricity

noun

a measure of how difficult it is for electricity to flow through a piece of electrical equipment

noun

an electrical signal, for example one that is passed from a nerve to a muscle

noun

the production of electrical or magnetic forces in an object by other electrical or magnetic forces near it

adjective

relating to electrical or magnetic force that is produced by induction

noun

electrical or other energy that is put into a machine

noun

a sudden strong increase in energy

noun

electrical wires that you use for starting a car by connecting it to the engine of another car

adjective

a live wire or piece of equipment is connected to the electricity supply and has electricity going through it

noun

the public supply of electricity for people to use in their homes, offices etc

noun

electrical power produced or used in small quantities, usually close to the place where it is needed so that large power stations are not needed

noun

in the UK, the system of wires that connects the places where electricity is produced

adjective

with the same electrical charge as an electron

adjective

a neutral wire does not have an electrical charge

noun

a power cut

noun

an electrical power supply

noun

the electricity or power produced by a piece of equipment or an engine

verb

to put too much power into a battery

adjective

relating to the pole of a battery or magnet

noun

the condition of having opposite electrical charges

noun

one of the two ends of a magnet or battery

adjective

with the same electrical charge as a proton

noun

the supply of electricity to your home, office, community etc

noun

a period when the electricity supply stops

noun

a power cut

noun

a thick wire that carries electricity above or below the ground

noun

one of a series of very tall metal structures used for holding the wires that carry electric power high above the ground

verb

to put more power into a battery

noun

the ability of something to stop the flow of electricity

verb

to replace all the wires that carry electricity in a building, car, or piece of equipment

noun

a solid substance such as silicon that allows some electricity to pass through it, used for making electronic equipment such as computers

noun

a sudden flow of electricity that goes through your body that sometimes happens when you touch certain objects

verb

to give someone an electric shock

noun

a short circuit

verb

to short-circuit, or to make something do this

noun

a bad connection in the wires of a piece of electrical equipment, which prevents the equipment from working

verb

to have a short circuit, or to make a piece of electrical equipment have a short circuit

noun

a sudden increase in the amount of electricity that a system produces

noun

electricity that does not flow in a current but is found in some objects when they rub together and can give an electric shock

noun

a place that electricity passes through on its way from where it is produced to where it is used

noun

a sudden increase in electrical power that can damage equipment connected to it

noun

a piece of equipment that gets power from one source and then changes that power so that it can be used by another system

noun

a piece of equipment used for measuring voltage

adverb

noun

adjective

adjective

in a system of connections that allows electricity to pass from one part to another in the correct order