mo·nad (mō’năd’)

mo·nad (mō‘năd‘)
n.

1. Philosophy. An indivisible, impenetrable unit of substance viewed as the basic constituent element of physical reality in the metaphysics of Leibnitz.
2. Biology. A single-celled microorganism, especially a flagellate protozoan of the genus Monas.
3. Chemistry. An atom or a radical with valence 1.

[Latin monas, monad-, unit, from Greek, from monos, single.]

monadic mo·nad‘ic (mə-năd‘ĭk) or mo·nad‘i·cal adj.
monadically mo·nad‘i·cal·ly adv.
monadism mo‘nad·ism

Meditation On The Hieroglyphic Monad, 2003, 7 1/8″x10/1/4″
Graphite, Ink and Watercolor on paper.