mass

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1 mass /ˈmæs/ noun
plural masses
1 mass
/ˈmæs/
noun
plural masses
Learner's definition of MASS
[count] : a usually large amount of a substance that has no particular shape
often + of see also body mass index, critical mass, landmass
[count] : a large number or amount of something
[count] : a large number of people
masses [plural] British, informal : a large amount of something
the masses : the ordinary or common people
[noncount] physics : the quantity of matter in something

the mass of

: the main part of (something)
2 mass /ˈmæs/ verb
masses; massed; massing
2 mass
/ˈmæs/
verb
masses; massed; massing
Learner's definition of MASS
: to form or gather into a large group
[no object]
[+ object]
3 mass /ˈmæs/ adjective
3 mass
/ˈmæs/
adjective
Learner's definition of MASS
always used before a noun
: involving, affecting, or designed for many people
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