ETYM Latin monas, -adis, a unit, Greek, from monos alone.
1. A singular metaphysical entity from which material properties are said to derive; SYN. monas.
2. An atom having a valence of one.
Unit; atom; microcosmic element underlying reality; God.
Philosophical term deriving from the work of Gottfried Leibniz, suggesting a soul or metaphysical unit that has a self-contained life. The monads are independent of each other but coordinated by a “preestablished harmony”.