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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
Reasoned conclusion
An interpretation drawn logically from observations or data and supported by scientific reasoning.
Reasoned conclusion
An answer to an investigation’s question that is supported by evidence and scientific reasoning.
Reasoned conclusion
A judgement that answers an enquiry question and is supported by relevant evidence.
Reasoned explanation
An account that connects evidence to a conclusion using scientific knowledge and logical reasoning.
Rebate
A step-shaped recess cut along the edge of a material, often to accommodate another component.
Rebellion
An act of organised opposition to a ruler or government, often involving armed force.
Rebellion
Merton’s response in which an individual rejects existing goals and means and seeks to replace them with alternatives.
Rebirth
The arising of another life after death, conditioned by kamma, without an unchanging soul passing from one body to another.
Rebound
Beginning a new romantic relationship while still emotionally affected by the ending of a previous one.
Rebuke
A strong expression of criticism or disapproval. Peter rebukes Jesus, and Jesus then rebukes Peter.
Rebuttal
A reasoned answer that challenges an opposing argument.
Recall
Retrieving previously stored information from memory without having that information presented again.
Recapitulation
Irenaeus’s understanding that Christ restores humanity by succeeding where Adam failed, reversing disobedience through obedience.
Recasting
Pouring a melted material into a mould and allowing it to solidify into a new shape.
Receding galaxy
A galaxy moving farther away from the observer.
Receiver
An official responsible for receiving money and accounting for income and expenditure.
Receiver
The audience that receives and interprets a message.
Receiving population
People already living in an area into which newcomers settle.
Recency effect
The tendency to recall items at the end of a list better than items in the middle.
Reception
The ways in which audiences interpret, respond to or value a work, potentially differently across groups and periods.
Reception
The circumstances in which audiences encounter and interpret a media product.
Reception area
An area designated to receive and accommodate people evacuated from places at risk.
Reception theory
An approach explaining how audiences actively interpret media messages and may accept, adapt or reject their preferred meanings.
Receptor
A cell that detects a change in the internal or external environment.
Receptor
A cell or group of cells that detects a stimulus.
Receptor
A structure on a cell to which a particular chemical messenger can bind, affecting the cell’s activity.
Receptor molecule
A molecule that detects a particular signal, allowing a cell to respond to its surroundings or communicate with other cells.
Recession
A period in which economic activity contracts, often bringing falling production and rising unemployment.
Recession
A period of declining economic activity, usually accompanied by reduced spending and production.
Recession
Movement away from an observer, so that the distance between the source and observer increases.
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