mon|ad «MON ad, MOH nad», noun, adjective.
–n.
1. a) a very simple single-celled animal or plant. b) a small protozoan having from one to three long, whiplike flagella.
2. Chemistry. an atom, element, or radical having a valence of one.
3. unity; a unit.
4. Philosophy. an absolutely simple entity, conceived as the ultimate unit of being.
–adj.
of or having the nature of a monad.
╂[< Late Latin monas, -adis < Greek monás, -ádos unit < mónos alone, single]
Useful english dictionary. 2012.