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Multi-word Results
| air mass |
a body of air that covers a wide area and has little horizontal variation in temperature, pressure, or moisture. |
| atomic mass unit |
a unit equal to one twelfth of the mass of an atom of the most abundant kind of carbon, equal to 1.6605 times 1024 gram. |
| critical mass |
the minimum mass of fissionable material necessary to sustain a nuclear chain reaction. [2 definitions] |
| High Mass |
a Catholic mass in which parts of the text are sung by the celebrant, often with additional music, incense, and ceremony. (Cf. Low Mass.) |
| Low Mass |
a mass that is recited, rather than sung, by one priest assisted by one acolyte. |
| mass media |
those means or instruments of communication that reach large numbers of people, such as newspapers, magazines, television, and radio. |
| mass meeting |
a large public meeting, called to discuss some matter of common concern or interest. |
| mass noun |
a noun that denotes an abstract, uncountable entity and is not preceded by "a" or "an," such as "integrity," "filth," or "information". |
| mass number |
the total number of neutrons and protons in the nucleus of an atom. |
| mass production |
the production, and often packaging, of goods in large quantities by means of machines, standardized design and parts, and, often, assembly lines. |
| mass spectrograph |
an early type of mass spectrometer that records photographically rather than electronically. |
| mass spectrometer |
an instrument used to determine the mass and abundance of charged particles in a prepared beam, by passing it through an electromagnetic field and electronically recording the distribution of particles, often for the purpose of chemical analysis. |
| mass transit |
a system of public transportation that carries people from place to place within a city by bus and train. |
| mass-produce |
to manufacture or produce in quantity, esp. in a factory by assembly line methods. |
| rest mass |
the mass of a body when at rest. |
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