in general, denotes an assemblage or chain of principles and conclusions, or the whole of any doctrine, the several parts whereof are bound together, and follow or depend on each other; in which sense we say a system of philosophy, system of divinity, &c. The word is formed from the Greek σύστημα "composition, compages."

in the animal economy, the muscular, the nervous, and the cellular. See ANATOMY.

in Music, an assemblage of the rules for harmony, deduced from some common principle by which they are reunited; by which their connection one with another is formed; from whence, as from their genuine source, they natively flow; and to which, if we would account for them, we must have recourse. See the articles CHROMATIC, DIATONIC, ENHARMONIC, HARMONY, INTERVAL, and MUSIC.

in Botany. See BOTANY.

in Astronomy. See ASTRONOMY.