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mass
A large amount, group, or lump of something without a clear shape.
mass production
Making large amounts of the same product, usually with machines.
maximize
To make something as large or great as possible.
mechanism
A system of parts working together.
meddle in
To get involved in other people's matters when you are not wanted.
media
mass communication channels like TV and newspapers
medicare
A U.S. government health insurance program for seniors.
medieval
related to the Middle Ages
meditation
the practice of focusing the mind for relaxation
meet halfway
to compromise or find a middle ground
membership
the state of belonging to a group.
membrane
A thin layer separating different environments or substances.
mercantilism
An economic system where nations build wealth by exporting more than they import.
merchant
A person who sells goods for profit.
merger
The combination of two companies.
meritocracy
A system where people gain power or success based on their ability.
metabolism
The process of converting food into energy.
metamorphosis
A transformation from one form to another.
meteor
a bright streak in the sky from a falling star.
meteorite
A space rock that landed on Earth.
meteorologist
A scientist who studies weather.
metric
Relating to the measuring system based on meters, liters, and grams.
microbe
A tiny organism, often too small to see.
microorganism
A tiny living thing, often microscopic.
Words selected by Inoh for the TOEFL iBT test. Not an official ETS list. How these words were chosen →