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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
Headship
The husband's leadership within marriage in some Christian interpretations of Ephesians 5. Supporters describe it as responsibility for loving, sacrificial care rather than unrestricted control.
Health
A state of physical and mental well-being, rather than simply the absence of disease.
Health
The state of physical and mental well-being.
Health
A state of complete physical, mental and social wellbeing, not merely the absence of disease or infirmity.
Health and Safety at Work Act (1974)
A law requiring employers to protect employees’ health, safety and welfare at work, and employees to take care of their own safety and that of others.
Health and safety legislation
Laws requiring businesses to protect people’s health, safety and welfare in connection with their activities.
Health literacy
The ability to understand and use health information to make appropriate decisions about care.
Health screening
Checking for possible health risks before someone begins or increases physical activity.
Heaped spoonful
A spoonful with a mound of ingredient above the rim.
Hearing range
The interval between the lowest and highest sound frequencies that a person can detect.
Hearsay
Information received from other people rather than witnessed directly.
Hearsay
Information accepted from what other people say rather than from direct knowledge.
Hearse
A vehicle used to carry a coffin to a funeral.
Heart
An organ made of muscle that pumps blood through the lungs and around the rest of the body.
Heart
A muscular organ that pumps blood to the lungs and around the body.
Heart attack
Damage to heart muscle caused by an interruption to its blood supply.
Heart failure
A condition in which the heart cannot pump blood around the body effectively enough.
Heart failure
A condition in which the heart cannot pump blood around the body effectively.
Hearth
A place where a fire burns inside a building, used for heating and cooking.
Hearth
The fireplace at the centre of a household or civic building, associated with Hestia.
Heart rate
The number of heartbeats in a given time, usually measured in beats per minute (bpm).
Heart rate
The number of times the heart beats per minute.
Heart rate
The number of times the heart beats per minute.
Heart transplant
The surgical replacement of a failing heart with a suitable heart from a donor.
Heart valve
A flap-like structure that opens to let blood move forwards and closes to prevent it flowing backwards.
Heat conductivity
The ability of a material to transfer heat through itself by conduction.
Heat dome
A persistent high-pressure system in which descending air warms and cooler air is prevented from moving into an area, allowing extreme heat to build.
Heat fixing
Using heat to fix a suitable textile colourant or transfer onto fabric, following the product instructions.
Heathland
Open land dominated by low-growing shrubs such as heather and gorse, typically on acidic, nutrient-poor soils.
Heating
The transfer of energy to a system because of a temperature difference.
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