Edexcel GCSE Design and Technology key terms

A resistor connected in series with a component, such as an LED, to restrict the current and protect it from damage.

A technique that combines selected parts of existing images to explore or present a design idea, physically or digitally.

Separating paper or board along a required line to produce an edge or shape.

A shaped cutting tool pressed through material to produce pieces with the same outline.

Using online messages, images or other media to upset, embarrass or deliberately isolate someone.

A stitched fold that tapers to a point, taking in excess fabric to create a three-dimensional shape.

A fixed point, line or surface from which measurements and positions are established consistently.

A tree that sheds its leaves seasonally, usually in autumn in the UK.

A way of writing numbers using place value, with a decimal point separating whole-number places from tenths, hundredths, thousandths and smaller places.

A flowchart step that tests a condition and selects a route according to whether the answer is Yes or No.

The clearance of forest that results in a lasting loss of forest cover.

Changing a material's shape through force rather than removing material; a lasting shape requires permanent deformation.

A unit of angular measurement. One complete turn is $360°$.

The removal of printing ink from recovered paper during recycling.

The separation of layers in a laminated material.

A programmed wait before execution moves to the next instruction.

The quantities of a material or product that buyers are willing and able to purchase at different prices.

A group within a population identified by characteristics such as age or income.

Changes in where people live, including movement between regions or countries.

Light sanding between dry coats to remove raised fibres or small surface imperfections.

A measure of the fineness of a yarn or filament, commonly used for synthetic fibres. Lower denier indicates finer yarn; higher denier indicates coarser yarn.

A strong twill-woven fabric commonly used for jeans.

Mass per unit volume: $\rho = m/V$. Common units are kg/m³ and g/cm³.

An adjustable setting that limits how far a drill bit travels into a workpiece.

A short, clear statement of what a design needs to achieve, for whom and why.

A limit that restricts the choices available when designing or manufacturing a product.

The situation in which a product will be used, including its users, purpose and surroundings.