Loading…
Loading…
Browse key terms and definitions across all GCSE subjects. Search by keyword or filter by subject and exam board.
23,110 key terms
Implied meaning
An idea suggested rather than directly stated: here, the train journey can suggest a child’s movement towards adulthood.
Impluvium
A shallow pool in the floor of an atrium that collected rainwater from the roof opening.
Import
A good or service bought by a country's residents or businesses from suppliers overseas.
Import
A good or service bought from another country.
Import duty
A tax charged on goods entering a country or territory.
Imports
Goods and services bought from other countries.
Import tariff
A tax charged on imported goods.
Imposition
The arrangement of pages on both sides of a printing sheet so that they appear in the correct sequence and orientation after folding and cutting.
Impossible
An event that cannot happen; its probability is 0.
Impossible event
An event that cannot happen; its probability is 0, or 0%.
Impotent poor
An Elizabethan term for people unable to work because of age, illness or disability.
Impression
A view of a character, situation or event formed from details in a text.
Impressment
Compulsory recruitment into military service.
Imprisonment
A punishment that deprives an offender of their freedom by keeping them in prison.
Improper fraction
A fraction whose numerator is greater than its denominator, so its value is greater than .
Improvisation
Creating or adapting music during a performance rather than following every note of a fixed composition.
Impulsiveness
Acting suddenly without considering the likely consequences.
Impure substance
A sample containing more than one substance; chemically, it is a mixture.
Impurity
An unwanted substance mixed with the substance being examined.
Impurity
An additional substance mixed into a sample, making that sample chemically impure.
Inaccessibility
Difficulty reaching a place because of distance, physical barriers or limited transport connections.
Inalienable
Not something that can simply be taken away or surrendered; human rights are grounded in a person’s humanity, although the lawful exercise of some freedoms can be restricted.
Inalienable right
A right that belongs inherently to a person and cannot legitimately be taken away or dismissed by individuals or society.
In-app purchase
An optional purchase of digital goods or services made within an app using real money.
Inbreeding
Breeding between organisms that are closely related genetically.
Inbreeding
Breeding between closely related individuals, which can increase the risk of inherited defects in offspring.
Incantation
A repeated chant or formula of words associated with ritual or magical power.
Incarnation
The Christian belief that God became human in Jesus Christ.
Incendiary
A bomb designed to start fires rather than cause damage mainly through a large explosive blast.
Incendiary bomb
A bomb designed to start fires.
Create a free account to keep every note you open and track your progress.