1. monad

noun. ['ˈmoʊnæd'] a singular metaphysical entity from which material properties are said to derive.

Rhymes with Monad

• gonad

2. monad

noun. ['ˈmoʊnæd'] (biology) a single-celled microorganism (especially a flagellate protozoan).

3. monad

noun. ['ˈmoʊnæd'] (chemistry) an atom having a valence of one.