Dictionary > Monad

Monad

monad
1. An ultimate atom, or simple, unextended point; something ultimate and indivisible.
2. (Science: philosophy) The elementary and indestructible units which were conceived of as endowed with the power to produce all the changes they undergo, and thus determine all physical and spiritual phenomena.
3. (Science: zoology) One of the smallest flangellate infusoria; especially, the species of the genus monas, and allied genera.
4. (Science: biology) A simple, minute organism; a primary cell, germ, or plastid.
5. (Science: chemistry) An atom or radical whose valence is one, or which can combine with, be replaced by, or exchanged for, one atom of hydrogen.
(Science: biology) Monad deme, in tectology, a unit of the first order of individuality.
Origin: L. Monas, -adis, a unit, Gr, fr. Alone.


You will also like...

Wart-like leaf galls on grape leaves
Plant Cell Defense

Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..

Homo Species
The Homo Species

The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..

DNA - schematic
Genetic Mutations

This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..

The process of photosynthesis
Photosynthesis – Photolysis and Carbon Fixation

Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..

Freshwater lake ecosystem
Freshwater Producers and Consumers

Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..

A sperm cell fertilizing an ovum
Human Reproduction and Fertilization

For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..