Masses
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Masses".

Look up mass in Wiktionary, the free dictionary.

Mass may refer to:

In science

• Mass, the amount of matter in an object to which its weight is proportional
  • Rest mass, the mass of a particle or other object while at rest in a particular reference frame
  • Invariant mass, mass defined in such a way as to be invariant in all reference frames
• Thermal mass, a mass which absorbs heat
• Mass (mass spectrometry), a chemical analysis technique
• Mass (medicine), a tumor
• Mass wasting, the geomorphic process by which soil and rock move downslope under gravity
• True mass, the mass of a planet, used to differentiate from a lower limit on mass
• Landmass, a continuous area of land or land mass, the measure of an area of land
• Body mass index, a health indicator related to human body weight and height
• MASS syndrome, a form of human gigantism
• MASS (decoy system)

In religion

• Mass (liturgy), religious service in some Christian churches
• Mass (music), a choral composition that sets liturgical text to music
• Black Mass, a parody of the Christian mass often associated with Satanism.

In entertainment

• Mass (film), a Tollywood film starring Akkineni Nagarjuna
• Mass (theatre), a 1971 musical setting of the Roman Catholic Mass by Leonard Bernstein
• Mass (English band), a post-punk band who recorded for the 4AD label
• The Mass (band), an American jazzcore band
• Mass, an alias of electronic musician Peter Harris (Blu Peter)

Other uses

• College-Ready Math-Science School, The Marc and Eva Stern Math and Science School or just (Stern MASS)
• Marine Air Support Squadron (MASS), United States Marine Corps aviation support unit

• Mass., an abbreviation for the U.S. state of Massachusetts
• Isaac Mass, a Franklin County, Massachusetts politician
• Maß, a unit of volume in German, pronounced 'mass'
• Muscle mass, a bodybuilding term concerning the configuration of muscles in a person's body

As an adjective meaning many

Mass may be used to modify nouns to apply to many cases or instances:

• Mass production
• Mass murder
• Mass suicide
• Weapons of mass destruction
• Mass burial
• Mass hallucination
• Mass hypnosis
• Mass hysteria
• Mass storage

As a term referring to the general public

Singular and plural forms (masses) may refer to:

• Hoi polloi (or "the masses"), a term that usually refers to common people
• Mass communication
• Mass consumption
• Mass education
• Mass marketing
• Mass media
• Mass psychology
• Mass transit
• The Masses, a Socialist magazine
• The working class or the people

See also

• Matter
• Weight

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