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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
Non-perishable food
Food that can be stored for a relatively long time without spoiling, such as dried pasta or unopened tins.
Non-personal divine reality
An understanding of ultimate divine reality as formless and beyond individual personality, rather than as a divine person.
Non-personal God
The divine understood as a formless ultimate reality rather than a person with whom a worshipper has a relationship.
Non-player character (NPC)
A character controlled by the game's programming rather than directly by a player.
Non-probability sampling
A sampling approach in which members of the population do not have known chances of selection.
Non-rechargeable cell
A cell designed to be used until a reactant is used up, after which its reaction cannot be usefully reversed by charging.
Non-religious explanation
An explanation that accounts for something through natural processes without appealing to God or another religious belief.
Non-renewable energy
Energy obtained from a finite resource that is not replaced on a human timescale, such as coal, oil, natural gas or uranium.
Non-renewable energy resource
An energy resource with a finite stock that is not replaced on a human timescale, such as coal, oil, natural gas or uranium.
Non-renewable energy resource
An energy resource that is used faster than it is replenished and will eventually run out.
Non-renewable energy resource
An energy resource with a finite supply that is not replenished as it is used.
Non-renewable energy resource
An energy resource with a finite supply that is not replaced on a human timescale as it is used.
Non-renewable energy source
An energy source that depends on a finite supply of fuel which is not replaced as quickly as it is used.
Non-renewable resource
A finite resource that is not replaced on a human timescale, such as coal, oil or natural gas.
Non-renewable resource
A resource that is used much faster than natural processes can replace it, so its supply is finite on a human timescale.
Non-renewable resource
A finite energy resource that is not replenished as quickly as it is used and will eventually run out.
Non-renewable resource
A natural resource that cannot be replaced on a human timescale, such as metal ores or fossil fuels.
Non-renewable resource
A natural resource with a finite supply that cannot be replaced on a human timescale, such as coal, oil or natural gas.
Non-renewable resource
An energy resource that is used up much faster than it is replaced naturally, so its supply is finite.
Non-residence
The failure of a member of the clergy to live in the parish or other place where their Church office required them to serve.
Non-response
Failure to obtain a response from a selected member of a sample, for example because they do not return a questionnaire or cannot be contacted.
Non-response
Failure by people contacted for a study to provide a response or take part.
Non-response bias
Bias arising when those who respond differ in relevant ways from those who do not respond.
Non-specific defence
A defence that acts against many different pathogens rather than recognising one particular antigen.
Non-specific defence
A protective mechanism that acts against many different pathogens rather than targeting one particular pathogen.
Non-theism
An approach to religion in which belief in a creator God is not central or necessary to the religious path.
Non-uniform motion
Motion in which speed changes rather than staying constant.
Non-uniform motion
Motion in which an object's speed changes.
Non-utilitarian delinquency
Rule-breaking that does not produce material or financial gain, such as damaging property for peer approval.
Non-verbal code
A way of communicating meaning without words, such as an image, gesture or facial expression.
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