atomic theory

NOUN

theory that matter is made up of atoms

Synonyms

WEAK

Bohr theory Dirac theory Doctrine of definite proportions Lewis-Langmuir theory Rutherford theory Schrödinger theory Thomson's hypothesis octet theory quantum theory

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Manchester had been steadily attracting scientific prestige after John Dalton pioneered studies in atomic theory and colour blindness, while fellow student James Joule became a household name after his work in energy conservation.

From BBC • Jul. 29, 2023

For example, Dalton’s atomic theory was an attempt to explain the results of measurements that allowed him to calculate the relative masses of elements combined in various compounds.

From Textbooks • Feb. 14, 2019

The progress in chemistry in the 19th century depended on the atomic theory.

From Scientific American • Oct. 5, 2018

This field drew on research in physics and chemistry that extended back to the early 1900s and the development of modern atomic theory.

From Slate • Sep. 27, 2016

This was a shocking conclusion, but the indivisible kernels of matter in atomic theory got around the problem of Zeno’s paradoxes.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife