Key terms & definitions

The shin bone: the larger lower-leg bone, extending between the knee and ankle.

The muscle at the front of the lower leg beside the shin that helps draw the foot upwards at the ankle.

Permission granted to a convict for good behaviour to live and work more freely within the colony while still serving a sentence.

A barrier across a tidal estuary that allows water to flow through turbines as the water levels on its two sides differ.

A barrier across an estuary that controls tidal water flow through turbines to generate electricity.

An area of coastal water enclosed by a seawall, with turbines that can generate electricity from a difference in water levels inside and outside the enclosure.

The volume of air breathed in or out in one normal breath.

A structural member that resists a pulling force, or tension, and helps hold a frame in shape.

Aid given on condition that the recipient uses it to purchase specified goods or services from the donor country.

‘Repairing’ or ‘healing the world’: working to improve the world through morally good actions, including social justice and care for the environment.

An unsorted mixture of sediment deposited directly by glacial ice, ranging from clay to large boulders.

A vertical camera turn upwards or downwards from a fixed position.

Honour or standing recognised by others during a person’s life. In Homeric warfare, valuable prizes and captured spoils can make this standing visible.

Wood used as a material, for example in building construction.

Wood used as a material for making products or structures.

An assessment against specified standards that can identify timber from forests managed according to environmental, social and economic requirements.

The cutting of a tree trunk or log into usable timber sections, such as planks and boards.

The felling and removal of trees for their wood.

A building whose main supporting structure is a framework of wooden posts and beams.

A connection between timber components that holds them in the required position.

The duration of an energy transfer or of work being done, measured in seconds (s) in the power equations.

The duration of a training session.

The oscilloscope setting that gives the time represented by each horizontal division on its screen.

A feature of a target that sets a clear deadline or period within which it should be achieved.

A limit on the time available to plan, carry out, analyse and complete a research project.

The difference between the times at which the same signal reaches two detectors.

A target with a stated deadline or timeframe for achievement.

How quickly an algorithm completes its task, which can be estimated by counting the steps it performs for a given input.

The duration between two events, measured in seconds (s).

The duration between two times, found by subtracting the start time from the end time.