three or more stars lying close together in the celestial sphere and usually united in a single gravitational system.
a system of three or more stars associated by gravitation See also binary star
A system of three or more stars that are bound together by gravity and orbit a common center of mass. The group generally appears as a single star to the naked eye. Astronomers believe that most stars in the universe are part of multiple or binary systems. Alpha Centauri, the closest star to our Sun, is a multiple star system containing three bodies. See also binary star.
- Multiple symmetric lipomatosis
multiple symmetric lipomatosis n. The accumulation and progressive enlargement of collections of adipose tissue in the subcutaneous tissue of the head, neck, upper trunk, and upper portions of the upper extremities.
[muhl-tuh-plet, -plit] /ˈmʌl təˌplɛt, -plɪt/ noun, Physics. 1. a group of several related spectral lines, usually of nearly the same wavelengths. /ˈmʌltɪˌplɛt; -plɪt/ noun (physics) 1. a set of closely spaced lines in a spectrum, resulting from small differences between the energy levels of atoms or molecules 2. a group of related elementary particles that […]
- Multiple-unit car
[muhl-tuh-puh l-yoo-nit] /ˈmʌl tə pəlˈyu nɪt/ noun 1. a self-propelled railroad car, generally used in commuting service, equipped so that a train of such cars can be operated from any one of them.
- Multiple value
database (MU) A one-to-many relationship between entries in a database, for example a person may have an address field which spanned multiple records (with different indexes). Multiple values are a non-relational technique. MUs have recently been made available in DB2, despite the product being so heavily influenced by Codd’s Laws of relational databases. [Confirm, clarify?] […]