Monad.
(Doof the Gr. µ?, -? d?, unit).
1. f. Fil. Each of the indivisible substances, but of different nature that compose the universe, according to the system of Leibniz, German philosopher and mathematician of the 17TH century.
2. f. Zool. Protozoa of which live in stagnant water, provided with two or three scourges that are useful for swimming.
