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
Feud
A long-standing conflict between families or groups, sustained through hostility and retaliation.
Feudal incidents
Charges arising from a lord’s rights over his tenants, including payments connected with inheritance and wardship.
Feudalism
A system in which land was held from a superior lord in return for obligations such as loyalty, military service or labour.
Feudalism
A stratification system associated with medieval Europe, organised around landownership, with the monarch above lords and knights, and serfs and peasants at the bottom.
Feudal landholding
A system in which land was held from a lord in return for obligations such as service and payments.
Feudal levy
Soldiers raised through obligations owed by landholders to their lords.
Feudal overlord
A ruler or lord to whom other lords owed loyalty and obligations. Overlordship did not necessarily mean direct government of every territory.
Feudal service
Military service owed to a lord or monarch as part of the obligations attached to holding land.
Feudal system
A hierarchy of landholding in which people held land from a superior lord in return for obligations, including loyalty, payments and military service.
Führer
The German word for ‘leader’; the title Hitler adopted when he combined the offices of president and chancellor in August 1934.
Führer myth
The idealised image promoted by Nazi propaganda of Hitler as a heroic, wise and unfailing leader who represented Germany.
Führerprinzip
The ‘leader principle’: the belief that a single leader should have unquestioned authority.
Fiat
Mary's willing assent to God's plan at the Annunciation; the Latin word means 'let it be done'.
Fibonacci sequence
The sequence , in which each new term is the sum of the previous two.
Fibonacci-type sequence
A sequence in which, in the usual form, each term after the first two is the sum of the preceding two terms.
Fibre
Material in plant foods that is not digested and helps food and waste move through the digestive system.
Fibre
A fine, hair-like strand used to make textile materials.
Fibre blend
A combination of different fibre types within a yarn, produced by bringing the fibres together during spinning.
Fibre mixture
A fabric constructed using yarns of different types, rather than necessarily combining the fibres within each yarn.
Fibre optic cable
A network cable that carries data as pulses of light.
Fibre-reinforced polymer (FRP)
A composite containing reinforcing fibres within a polymer resin. The fibres carry loads and provide stiffness, while the resin transfers loads between fibres and protects them.
Fibre web
A layer of loose fibres arranged into a sheet before they are consolidated or bonded into fabric.
Fibrin
An insoluble protein that forms a mesh during blood clotting.
Fibrin
An insoluble protein that forms a mesh of fibres, trapping blood cells to help form a clot.
Fibrinogen
A soluble protein in blood plasma that is converted into fibrin during clotting.
Fibula
The thinner bone on the outer side of the lower leg, alongside the tibia.
Fiction
Writing about imagined characters and events, such as a novel or short story.
Fiction
An invented narrative whose characters and events need not represent real people or actual occurrences.
Fiction
Writing that uses invented characters or events to tell a story; it can communicate religious or moral ideas without claiming that the events actually happened.
Fiction
An explanation for visual illusions in which real visual elements cause a person to perceive a feature that is not physically present in the stimulus.
Create a free account to keep every note you open and track your progress.