Key terms & definitions

The ability of a business to continue operating rather than close down.

A high-capacity bus system using dedicated lanes to provide faster, more reliable public transport.

A network arrangement in which all devices connect to one shared main cable, with a terminator at each end.

A hinge with two leaves joined by a pin, commonly fitted into recesses in a door and its frame.

A connection in which one piece of timber meets another without interlocking shaped parts.

Wide, flared roots extending above ground from the base of a tree, helping support tall trees with shallow root systems.

Buying shares partly with borrowed money, while paying only part of their price from the buyer’s own funds.

An output device that converts electrical energy into a simple audible tone or buzz, usually to attract attention.

The unintended capture of organisms that were not the target of the fishing activity.

The unintended capture of animals other than those being targeted by fishing.

A line identifying the journalist or journalists responsible for an article.

A product formed alongside the desired product.

A proud, passionate and troubled literary protagonist, associated with Lord Byron’s writing, whose mysterious past and resistance to convention make him both attractive and dangerous.

An attractive but troubled or dangerous character who combines qualities associated with heroes and villains; the archetype is named after the poet Lord Byron.

A person present at an event, such as an emergency, who is not initially directly involved.

Failure by someone witnessing a person in need to offer help.

The tendency for an individual to be less likely to help when other bystanders are present.

Action taken by someone who witnesses an event to help a person in need.

A group of eight bits.

The eastern continuation of the Roman Empire, ruled from Constantinople.

A spherical fullerene molecule containing 60 carbon atoms, also called buckminsterfullerene.

An occupational social-grade grouping covering skilled manual workers (C2), semi-skilled and unskilled manual workers (D), and groups including casual workers and people dependent on state pensions or benefits (E). It does not determine an individual's interests or intelligence.

Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance: linked systems used to gather information, share it and coordinate military action.

The group of Charles II’s leading councillors influential from 1668 to about 1674: Clifford, Arlington, Buckingham, Ashley and Lauderdale. They directed policy through their offices and the Foreign Affairs Committee but were divided by rivalries and political differences.

The group of leading government ministers who discuss policy and coordinate government decisions.

The group of senior government ministers who discuss and agree major government policies.

Protected underground rooms beneath Whitehall used by Britain’s wartime leadership to meet, share information and direct the war.

An organised bundle of wires routed together between parts of a system.

Power transferred from an electrical cable to its surroundings by heating because the cable has resistance.

A protective covering fitted around a wire or group of wires.