from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The view in metaphysics that reality is a unified whole and that all existing things can be ascribed to or described by a single concept or system.
  • noun The doctrine that mind and matter are formed from, or reducible to, the same ultimate substance or principle of being.

from The Century Dictionary.

  • noun Any system of thought which seeks to deduce all the varied phenomena of both the physical and spiritual worlds from a single principle; specifically, the metaphysical doctrine that there is but one substance, either mind (idealism) or matter (materialism), or a substance that is neither mind nor matter, but is the substantial ground of both: opposed to dualism.
  • noun Any theory or system which attempts to explain many heterogeneous phenomena by a single principle.
  • noun In biology, same as monogenesis .

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Metaph.) That doctrine which refers all phenomena to a single ultimate constituent or agent; -- the opposite of dualism.
  • noun (Biol.) See Monogenesis, 1.
  • noun The doctrine that the universe is an organized unitary being or total self-inclusive structure.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The doctrine of the oneness and unity of reality, despite the appearance of diversity in the world.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the doctrine that reality consists of a single basic substance or element


from Wiktionary, Creative Commons Attribution/Share-Alike License

The word was coined by German philosopher Baron Christian von Wolff and first used in English in 1862, from New Latin monismus, from Greek μόνος "alone".


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  • Also a made-up word pertaining to idiotic sayings and pronunciations by a certain woman named Mona, 1988-1994.

    July 11, 2009

  • Wow, she died young. Also, should you be calling a 6 year old an idiot?

    July 17, 2009