monadic

mo·nad   (mō'nād')    n.   Philosophy An indivisible, impenetrable unit of substance viewed as the basic constituent element of physical reality in the metaphysics of Leibniz. Biology A single-celled microorganism, especially a flagellate protozoan of the genus Monas. Chemistry An atom or a radical with valence 1. [Latin monas, monad-, unit, from Greek, from monos, single; see men-4 in Indo-European roots.] mo·nad'ic (mə-nād'ĭk), mo·nad'i·cal adj., mo·nad'i·cal·ly adv., mo'nad·ism n.

monad 

Main Entry: mo·nad
Pronunciation: 'mO-"nad
Function: noun
1 : a flagellated protozoan (as of the genus Monas)
2 : a monovalent element or radical
3 : any of the four chromatids that make up a tetrad in meiosis

monad mo·nad (mō'nād')
n.

1. An atom or a radical with a valence of 1.

2. A single-celled microorganism, especially a protozoan of the genus Monas.

3. Any of the four chromatids of a tetrad that, after the first and second meiotic divisions, separate to become the chromosomal material in each of the four daughter cells.

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mo·nad'ic (mə-nād'ik) or mo·nad'i·cal adj.

monadic
1. unary, when describing an operator or function. The term is part of the dyadic, niladic sequence.
2. See monad.
(1998-07-24)