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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
New value
The quantity after the percentage increase or decrease has been applied.
New Woman
An image of a modern, independent woman associated with paid work, new fashions and greater freedom in the 1920s.
New World
The name Europeans used for the Americas after recognising that these lands were separate from Asia. The Americas were already inhabited.
NGO
A non-governmental organisation: an organisation independent of government that works towards particular social or environmental aims.
NHS
The National Health Service, launched in 1948 to make healthcare available to everyone, largely free at the point of use.
NHS
The National Health Service: publicly funded healthcare services across the UK, generally free at the point of use.
Nibbana
Liberation from craving and suffering, also called nirvana.
Nibble
A group of four binary digits, which can be represented by one hexadecimal digit.
Nicene Creed
A statement of Christian belief that affirms the Father, Son and Holy Spirit and is recited in worship by many Christian denominations.
Niche audience
A relatively specialised audience with a particular shared interest.
Niche employment
Work serving a particular market or requiring particular skills, rather than competing directly across the wider labour market.
Niche market
A small, specialised section of a larger market serving customers with particular needs.
Nichiren Buddhism
A Mahayana Buddhist tradition in which chanting Nam Myoho Renge Kyo is the central practice for bringing forth Buddhahood.
Nicotine
An addictive substance found in tobacco.
Niello
A dark compound used to fill engraved lines in metalwork, producing contrasting outlines and details.
Night of Power
The night when Muhammad received the first revelation of the Qur’an.
Night of the Long Knives
The purge of 30 June–2 July 1934 in which the Nazis murdered SA leaders and other political rivals, strengthening Hitler’s position and his alliance with the army.
Night watch
An organisation of watchmen who patrolled a town during the night.
Night watch
A group responsible for guarding the streets at night and maintaining public order.
Nihang
A member of a distinctive Sikh warrior order associated with blue clothing, weapons and the preservation of Khalsa traditions.
Nihilism
The belief that life has no meaning or purpose.
Nikah
An Islamic marriage, through which a couple make a recognised commitment to married life.
Nikah mut’ah
A temporary marriage accepted by some Twelver Shi’a Muslims, whose contract specifies an agreed duration and a required mahr.
Nike
The Greek goddess or personification of victory.
Nineteen Propositions
The demands approved by Parliament in June 1642 for greater control over government, military forces and religious reform, which Charles I rejected.
Nineteenth Amendment
The constitutional amendment ratified in 1920 that prohibited denying voting rights on grounds of sex in the United States. Other barriers to voting remained.
Niqab
A veil worn over the face. Some Muslim women wear it as an expression of modesty.
Nirgun
God’s nature beyond form and human comprehension.
Nirguna
Without qualities or attributes; a description of Brahman as beyond the characteristics and forms that humans can describe.
Nirguna Brahman
Brahman understood without limiting qualities or a particular form, beyond time and space.
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