Definition of Atomic theory

1. Noun. A theory of the structure of the atom.

Generic synonyms: Scientific Theory
Group relationships: Atomic Physics, Nuclear Physics, Nucleonics
Specialized synonyms: Bohr Theory, Rutherford Atom

2. Noun. (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles. "The ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe"
Exact synonyms: Atomism, Atomist Theory, Atomistic Theory
Generic synonyms: Theory
Category relationships: Chemical Science, Chemistry
Derivative terms: Atomistic, Atomistical
Antonyms: Holism

Definition of Atomic theory

1. Noun. (physics) The theory that all gross matter is composed of atoms. ¹

2. Noun. (physics) Any of several theories that explain the structure of the atom, and of subatomic particles. ¹

¹ Source:

Medical Definition of Atomic theory

1. That chemical compounds are formed by the union of atoms in certain definite proportions; in its modern form, first advanced in 1803 by John Dalton. (05 Mar 2000)

Atomic Theory Pictures

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Lexicographical Neighbors of Atomic Theory

atomic number 93
atomic number 94
atomic number 95
atomic number 96
atomic number 97
atomic number 98
atomic number 99
atomic numbers
atomic orbital
atomic physics
atomic pile
atomic piles
atomic power
atomic reactor
atomic spectrum
atomic theory (current term)
atomic time
atomic volume
atomic warhead
atomic weapon
atomic weapons
atomic wedgie
atomic weight
atomic weights
atomic winter
atomic winters

Literary usage of Atomic theory

Below you will find example usage of this term as found in modern and/or classical literature:

1. A History of European Thought in the Nineteenth Century by John Theodore Merz (1907)
"He was led to formulate and employ his atomic theory by pondering over the most convenient manner in which certain chemical facts —the facts of definite and ..."

2. A History of Physics in Its Elementary Branches: Including the Evolution of by Florian Cajori (1899)
"atomic theory It is worthy of notice that the atomic theory finds its earliest advocates in Greece. That the theory of the atomic constitution of matter ..."

3. Encyclopaedia Britannica, a Dictionary of Arts, Sciences, Literature and edited by Hugh Chisholm (1910)
"The discovery of this law is due to Dalton; it is a direct deduction from his atomic theory. Here again, apart from this theory, there is no obvious reason ..."

4. Science by American Association for the Advancement of Science (1909)
"ideas of the atomic theory had impregnated a very large part of the domain of physics and ... There was a tendency to regard the atomic theory as one of the ..."

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