atomic theory
"Atomic theory" is a cornerstone in understanding the composition and behavior of matter in both physics and chemistry.
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Definition
B2Physics
(scientific)The concept that all matter is composed of small, indivisible particles called atoms.
Example
- Atomic theory suggests that everything we see is made up of atoms.
B2Chemistry
(scientific)A theory explaining that matter consists of atoms, which are the smallest units retaining the properties of an element.
Example
- According to atomic theory, chemical reactions involve the rearrangement of atoms.
Similar
Terms that have similar or relatively close meanings to "atomic theory":