| atomic theory |
a theory of the structure of the atom atomism: (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"
출처: wordnet.princeton.edu/perl/webwn
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| atomic theory |
the theory that all matter is composed of atoms with a positive nucleus surrounded by negative electrons; atoms may combine to form molecules
출처: www.saskschools.ca/curr_content/science9/glossary/
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