Dualistic theory

Dualistic theory
Dualistic Du`al*is"tic, a. Consisting of two; pertaining to dualism or duality. [1913 Webster]

{Dualistic system} or {Dualistic theory} (Chem.), an old theory, originated by Lavoisier and developed by Berzelius, that all definite compounds are binary in their nature, and consist of two distinct constituents, themselves simple or complex, and possessed of opposite chemical or electrical affinities; -- superseded by later developments in chemical bonding theory, especially quantum mechanics. [1913 Webster +PJC]


The Collaborative International Dictionary of English. 2000.

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  • dualistic theory — a variant of the polyphyletic theory that holds that blood cells arise from two distinct types of stem cells, the myeloblasts and lymphoblasts. Cf. monophyletic t. and trialistic t. Called also dualism …   Medical dictionary

  • Dualistic — Du al*is tic, a. Consisting of two; pertaining to dualism or duality. [1913 Webster] {Dualistic system} or {Dualistic theory} (Chem.), an old theory, originated by Lavoisier and developed by Berzelius, that all definite compounds are binary in… …   The Collaborative International Dictionary of English

  • Dualistic system — Dualistic Du al*is tic, a. Consisting of two; pertaining to dualism or duality. [1913 Webster] {Dualistic system} or {Dualistic theory} (Chem.), an old theory, originated by Lavoisier and developed by Berzelius, that all definite compounds are… …   The Collaborative International Dictionary of English

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  • dualistic formula — noun : a chemical formula written in accordance with the theory of dualism CaO.SO3 is the dualistic formula for calcium sulfate (CaSO4) called also Berzelian formula …   Useful english dictionary

  • Unitary theory — Unitary U nit*a*ry, a. 1. Of or pertaining to a unit or units; relating to unity; as, the unitary method in arithmetic. [1913 Webster] 2. Of the nature of a unit; not divided; united. [1913 Webster] {Unitary theory} (Chem.), the modern theory… …   The Collaborative International Dictionary of English

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  • monophyletic theory — n a theory in physiology: all the cellular elements of the blood derive from a common stem cell compare POLYPHYLETIC THEORY * * * the theory that all forms of blood cells have their origin in a single type of cell, the blast cell (which develops… …   Medical dictionary

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