Pronunciation: (mas),[key] —n. 1. a body of coherent matter, usually of indefinite shape and often of considerable size: a mass of dough. 2. a collection of incoherent particles, parts, or objects regarded as forming one body: a mass of sand. 3. aggregate; whole (usually prec. by in the): People, in the mass, mean well. 4. a considerable assemblage, number, or quantity: a mass of errors; a mass of troops. 5. bulk, size, expanse, or massiveness: towers of great mass and strength. 6. Fine Arts. a. Painting.an expanse of color or tone that defines form or shape in general outline rather than in detail.
b. a shape or three-dimensional volume that has or gives the illusion of having weight, density, and bulk.
7. the main body, bulk, or greater part of anything: the great mass of American films. 8. Physics.the quantity of matter as determined from its weight or from Newton's second law of motion. Abbr.: m Cf. weight (def. 2), relativistic mass, rest mass. 9. Pharm.a preparation of thick, pasty consistency, from which pills are made.
10. the masses, the ordinary or common people as a whole; the working classes or the lower social classes.
—adj. 1. pertaining to, involving, or affecting a large number of people: mass unemployment; mass migrations; mass murder. 2. participated in or performed by a large number of people, esp. together in a group: mass demonstrations; mass suicide. 3. pertaining to, involving, or characteristic of the mass of the people: the mass mind; a movie designed to appeal to a mass audience. 4. reaching or designed to reach a large number of people: television, newspapers, and other means of mass communication. 5. done on a large scale or in large quantities: mass destruction.
—v.i. to come together in or form a mass or masses: The clouds are massing in the west.
—v.t. to gather into or dispose in a mass or masses; assemble: The houses are massed in blocks.
Pronunciation: (mas),[key] —n. 1. the celebration of the Eucharist. Cf. High Mass, Low Mass. 2. (sometimes l.c.) a musical setting of certain parts of this service, as the Kyrie eleison, Gloria, Credo, Sanctus, Benedictus, and Agnus Dei.