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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
Sarcophagus
A stone coffin, sometimes decorated with religious images.
Sargun
God’s presence and qualities as revealed within creation.
Sarissa
A long Macedonian pike held with both hands, giving infantry greater reach than soldiers armed with shorter spears.
SAS
Information consisting of two side lengths and the included angle between them.
SASO
The South African Students Organisation, a student organisation established in 1969 that helped spread Black Consciousness.
Satan
The adversary of God. Jesus’ rebuke of Peter as ‘Satan’ identifies Peter’s objection as opposition to God’s purposes.
Satellite
An object that orbits another object; satellites can be natural or artificial.
Satellite image
An image produced using measurements collected by a satellite. Its colours may be natural-looking or assigned to highlight particular features.
Satellite imagery
Images of the Earth's surface captured by sensors on satellites, which can be used to examine visible landscape features.
Satellite state
A country formally independent but heavily controlled by a more powerful country, particularly in its government and foreign policy.
Sati
The historical practice of a widow being burned on her husband’s funeral pyre.
Satin weave
A weave with long yarn floats and spaced interlacings, producing a smooth, usually shiny face without twill’s distinct diagonal ribs.
Satire
The use of humour, ridicule or exaggeration to criticise people, institutions or social conditions.
Satire
The use of humour, irony or ridicule to expose and criticise faults, especially abuses of political power.
Satire
Writing which exposes or mocks faults in people or society, often using exaggeration, humour and sharply drawn contrasts.
Satire
The use of humour, exaggeration or ridicule to criticise behaviour, institutions or ideas.
Satire
The use of humour, ridicule or exaggeration to expose and criticise beliefs, behaviour or institutions.
Satisfaction
Anselm’s explanation that Christ’s freely offered obedience makes good the offence of human sin against God’s honour.
Satisfactory quality
A standard requiring goods to meet what a reasonable person would consider acceptable, taking account of factors such as their price and description.
Sat Nam
‘True Name’: the Mool Mantra’s expression of God’s enduring truth.
Satrap
A provincial governor in the Persian Empire or in territory Alexander had conquered.
Satrapy
A province or administrative region of the Persian Empire governed by a satrap.
SATs
Standardised school tests used to assess whether pupils meet expected attainment standards in English and mathematics.
Sat sangat
The ‘true congregation’: a gathering whose company helps people focus on God and develop spiritually.
Sattva
The quality of goodness, purity, harmony and clarity.
Satura
A Latin word associated with a mixture or medley, which became the name of the Roman literary genre of satire.
Saturated fat
Fat containing fatty acids with no carbon–carbon double bonds. Foods rich in saturated fat include butter, fatty meat and coconut oil.
Saturated ground
Soil whose pore spaces are filled with water, leaving little capacity to absorb further rainfall.
Saturated hydrocarbon
A hydrocarbon containing only single carbon–carbon bonds.
Saturated solution
A solution in which no more solute can dissolve at that temperature.
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