Edexcel GCSE Design and Technology key terms

The amount of money available or allocated for a project.

A limit on the money available to design, develop or manufacture a product.

Designing a product to have a limited useful life or to become outdated, encouraging its replacement.

Deliberately designing a product to have a limited useful or desirable life, encouraging its replacement.

The volume occupied by each gram of paper, usually measured in cubic centimetres per gram. It is the inverse of density.

Purchasing a large quantity of material, often to negotiate a lower price per unit.

An unwanted raised or sharp edge left by a cutting or machining process.

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.

An output device that uses electrical energy to produce a simple sound, typically for an alarm or alert.

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

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

A fastener used to bundle cables or secure them to a support.

Computer-aided design: the use of computer software to create and edit drawings or digital models.

Pressing fabric between rollers to flatten and smooth its surface; heated rollers can also increase lustre.

Setting or checking a sensor's readings against known conditions so that its response can be interpreted appropriately.

A fabric constructed using a plain weave.

Computer-aided manufacture: using computer systems to prepare and control manufacturing operations.

A deliberate upward curve in a beam that helps compensate for downward bending under load.

A knock-down connector in which a rotating cam grips a mating bolt and draws two components together.

The outline or shape of a cam that determines the follower's movement.

A measure of how much electric charge a capacitor stores for a given voltage, measured in farads (F).

The amount a container can hold, commonly measured in ml or litres.

The greenhouse gas emissions associated with an activity or product, commonly expressed as carbon dioxide equivalent, CO₂e.

Treatment of wool with acid to destroy vegetable impurities such as leaves and twigs.

Having no net release of carbon dioxide because releases are balanced by carbon dioxide absorption.

Funding projects intended to save or remove emissions elsewhere to compensate for emissions produced by an activity.