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Browse key terms and definitions across all GCSE subjects. Search by keyword or filter by subject and exam board.
23,110 key terms
Assassination
The murder of a prominent person, usually for political reasons.
Assembler
A program that translates assembly-language instructions into machine-code instructions.
Assembly
The meeting of Athenian male citizens that debated and voted on public affairs.
Assembly
A public social gathering at which people meet and dance. The Meryton assembly introduces the Bennet sisters to Bingley and Darcy.
Assembly
The political meeting in Athens at which male citizens debated and voted on public decisions; women could not normally participate.
Assembly
The process of joining separate components to form a complete product.
Assembly drawing
A drawing showing how the components of a product fit together, either assembled or separated in an exploded view.
Assembly language
A low-level programming language that uses mnemonic names to represent machine-code instructions.
Assembly line
A manufacturing system in which a product moves between workers or machines, each completing a particular task.
Assertion
A statement presented without supporting reasons or evidence.
Assessment objective
A skill assessed in an examination. AQA uses numbered assessment objectives, such as AO1 for understanding and interpreting texts.
Asset
An item owned by a business, such as machinery, inventory or cash.
Assignment
An instruction that stores a value in a variable.
Assignment statement
An instruction that stores a value in a variable or another storage location.
Assimilation
The process of making a group adopt the culture and way of life of another society. US assimilation policies sought to replace Native American languages, beliefs and communal traditions with white American practices.
Assimilation
The process of adapting to the dominant culture of a society, sometimes at the expense of existing cultural traditions.
Assimilation
The process through which immigrants adopt the dominant culture's norms, values and ways of life, moving away from their previous culture.
Assimilation
Interpreting a new experience using an existing schema without changing its basic structure.
Assisted dying
Help given to a person to end their own life. In the Dignity in Dying campaign, this concerns medically assisted dying for terminally ill adults with mental capacity and legal safeguards.
Assisted marriage
An approach to finding a spouse in which relatives or others help with introductions while the individuals take the leading role in choosing.
Assisted reproductive technology
Medical treatment used to help people conceive, including IVF.
Assisted Reproductive Technology (ART)
The use of medical techniques to help someone achieve a pregnancy, often by controlling reproduction with hormones or handling eggs, sperm or embryos.
Assisted suicide
Helping someone to take their own life, for example by providing the means; the person themselves performs the final act.
Assistive technology
Equipment or software, together with related support, that helps people carry out activities they would otherwise find difficult or impossible.
Assizes
Courts in which travelling royal judges heard cases in local areas.
Association
A relationship in which two features vary together; this does not by itself show that one causes the other.
Association
A relationship between variables: their values are connected rather than appearing unrelated.
Associative
An operation is associative if changing the grouping, without changing the order, leaves the result unchanged. Matrix multiplication satisfies .
Associative law
The rule that changing the grouping of addition or multiplication does not change the result: and .
Assonance
The repetition of similar vowel sounds in nearby words.
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