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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
Sexually transmitted infection (STI)
An infection that can pass from one person to another through sexual contact.
Sexual misconduct
Sexual behaviour that causes harm or involves betrayal or exploitation, such as adultery.
Sexual orientation
A person’s pattern of sexual attraction towards others.
Sexual orientation
A person’s pattern of sexual or romantic attraction, for example being heterosexual, gay, lesbian or bisexual.
Sexual relationship
A relationship involving sexual intimacy, which may also involve affection, commitment and emotional closeness.
Sexual reproduction
Reproduction in which male and female gametes fuse, mixing genetic information and producing varied offspring.
Sexual reproduction
Reproduction involving the fusion of male and female gametes and the mixing of genetic information.
Sexual revolution
The broad changes in attitudes towards sex and relationships associated with the 1960s and 1970s, including greater openness about sexuality.
Shabad
The divine Word or teaching expressed through the Guru.
Shabbat
The Jewish weekly day of rest, lasting from sunset on Friday until nightfall on Saturday.
Shacharit
The regular Jewish morning prayer service.
Shade
A spirit of a dead person.
Shadow minister
An opposition frontbencher who scrutinises and challenges the government minister responsible for a particular policy area.
Shadow zone
A region where a particular direct seismic wave from an earthquake is not detected.
Shaft grave
A deep rectangular burial pit containing a small chamber beneath a roof supported by wooden beams; it could hold more than one burial.
Shahadah
The Muslim declaration of faith, affirming that there is no god but Allah and that Muhammad is his messenger.
Shah Jahan
The fifth Mughal emperor, originally named Prince Khurram, who took power after Jahangir’s death in 1627. His title means ‘King of the World’.
Shahjahanabad
The new imperial capital that Shah Jahan began laying out in Delhi in 1638, beside the Jamuna river; his court moved there in 1648.
Shaiva
A Hindu whose principal focus of devotion is Shiva.
Shaivism
A Hindu tradition that worships Shiva as supreme.
Shake
A separation in timber along growth rings or outwards from the centre, originating in the tree or during felling.
Shakespearean comedy
A dramatic form often involving courtship, disguise, misunderstandings and a movement towards marriage or reconciliation; it need not be funny throughout.
Shakespearean sonnet
A fourteen-line poem. A Shakespearean sonnet usually has the rhyme scheme ABAB CDCD EFEF GG and uses iambic pentameter.
Shakti
Divine feminine power or energy, expressed through goddesses such as Parvati and Lakshmi.
Shale gas
Natural gas held within shale, a type of sedimentary rock.
Shallow focus
Focus that keeps a limited area sharp while other areas, often the background, appear blurred.
Shallow-focus earthquake
An earthquake that begins relatively close to the Earth’s surface.
Shallow frying
Cooking food in a frying pan containing a shallow layer of heated oil or fat, turning the food to cook both sides.
Shalom
A Hebrew word meaning peace, with a broader sense of wellbeing and wholeness.
Shalom bayit
‘Peace in the home’: the ideal of peaceful and respectful family relationships.
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