Mass-psychogenic-illness
noun, Pathology.
1.
a condition in which a large group of people report similar physical symptoms that are traceable to psychological factors rather than environmental or physiological factors.
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noun 1. the study of the behavior of large groups of people.
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noun, Sociology. 1. a society whose members are characterized by having segmentalized, impersonal relations, a high degree of physical and social mobility, a spectator relation to events, and a pronounced tendency to conform to external popular norms.
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noun, Pathology. 1. a condition in which a large group of people report similar physical symptoms that are traceable to social factors, as social interaction within an environment.
- Mass spectograph
A device that uses electrical or magnetic fields to determine the masses of atoms or molecules in a sample. A beam of ions is passed through the electrical or magnetic field. The field deflects the ions at different angles depending on their masses, thereby breaking the beam into separate, identifiable bands.