Key terms & definitions

A study of the environmental impacts associated with every stage of a product's life, from obtaining raw materials to its end-of-life treatment.

An assessment of environmental impacts across all stages of a product’s life, from obtaining raw materials to disposal.

An assessment of environmental impacts across a product's life, from obtaining raw materials through manufacture and use to disposal or recycling.

An assessment of the environmental impact of a product across the stages of its life, from obtaining raw materials to its end-of-life treatment.

An assessment of a product’s environmental impact throughout its life, from extracting raw materials to disposal, including transport and distribution at each stage.

An assessment of the environmental impacts of a material or product throughout its life, from obtaining raw materials to disposal or recycling.

The average number of years a newborn baby can expect to live, based on mortality conditions at the time.

The average number of years a person is expected to live.

The average number of years a newborn can expect to live under the mortality conditions used for the estimate.

People’s everyday habits and activities, including what they eat, how they travel and how physically active they are.

A person’s way of living, including their activities, interests and values.

The way a person lives day to day, including their typical behaviour and habits.

A person's usual pattern of living, including work, travel, caring responsibilities and leisure activities.

A person's way of living, including work patterns, hobbies and use of leisure time.

An organised effort to encourage changes in everyday behaviour that reduce the risk of illness.

A decision about everyday habits, such as eating, physical activity, rest, sleep or recreational drug use, that can affect health.

A way of living that influences food choices or meal preparation, such as choosing a vegetarian diet or needing meals that are quick to cook.

A habit, behaviour or aspect of daily life that affects health, such as smoking, diet or alcohol consumption.

A behaviour or choice, such as smoking, alcohol consumption, diet or level of exercise, that can affect health.

The period during a program’s execution for which a variable exists.

The part of a cam's cycle during which the follower moves upwards.

A tough, flexible band of tissue connecting bone to bone and stabilising a joint.

An enzyme that joins DNA fragments together.

A thread tied around a blood vessel to stop bleeding.

A resistor whose resistance decreases as the intensity of light falling on it increases.

A light-sensitive resistor whose resistance decreases as the intensity of the light falling on it increases.

A resistor whose resistance decreases as the light intensity falling on it increases.

A resistor whose resistance decreases as the light falling on it becomes more intense.

A wooden stick that is burning with a visible flame.

A semiconductor component that emits light when current flows through it in the forward direction.