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
Matter
Anything that has mass and occupies space.
Matt finish
A dull, non-glossy surface finish.
Matt surface
A dull, non-shiny surface finish.
Maturity
The stage when a product's sales remain high but sales growth slows or levels off.
Matzah
Unleavened bread eaten at Pesach, recalling the Israelites' hurried departure from Egypt.
Mausoleum
A large, imposing building containing a tomb, often built to commemorate an important person.
Mawla
An Arabic word interpreted as ‘authority’ or ‘leader’ in the Shi’a understanding of Muhammad’s declaration about Ali, and as ‘friend’ in the Sunni understanding.
Maxim
A short, memorable statement expressing a principle or rule of conduct.
Maximal strength
The greatest force a muscle or muscle group can exert in a single maximal contraction.
Maximum heart rate
The highest heart rate a person can reach, estimated for training calculations using and expressed in beats per minute.
Maximum measurement
The largest acceptable measurement for a component.
Maximum stock level
The greatest amount of stock a business plans or is able to hold in normal circumstances.
Maximum theoretical amount
The greatest amount of product predicted from the balanced equation and the available limiting reactant.
Maximum theoretical mass
The greatest mass of product predicted from the balanced equation when the relevant reactant is converted into product as specified by that equation.
Maximum value
The greatest value a function actually reaches over the domain being considered.
Maya
Illusion: a distorted understanding of reality in which temporary worldly things become more important than God.
Mayeque
Landless agricultural workers attached to large estates who paid part of their produce to their overlords.
McCarthyism
The campaign associated with Senator Joseph McCarthy, especially from 1950 to 1954, in which accusations of communist involvement were used against people, often without adequate evidence.
McCarthyism
Anti-communist accusation and investigation associated with US Senator Joseph McCarthy in the early 1950s, which encouraged suspicion and pressure to demonstrate loyalty.
M-commerce
The buying and selling of goods and services using wireless mobile devices, such as smartphones and tablets.
MDF
Medium-density fibreboard: a manufactured board made from fine wood fibres bonded with adhesive and compressed into sheets.
Meal structure
The organisation of eating occasions during the day, or of courses and accompanying dishes within a meal.
Mean
The sum of all values divided by the number of values.
Mean
The sum of a set of values divided by the number of values.
Mean
A result obtained by adding the retained repeat measurements and dividing by the number of those measurements.
Mean
The sum of a set of results divided by the number of results.
Mean
An average calculated by adding the values and dividing by the number of values included.
Mean
The total of all the values divided by the number of values.
Mean
An average calculated by adding all the values and dividing by the number of values.
Mean
The sum of the data values divided by the number of values.
Create a free account to keep every note you open and track your progress.