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fine structure
[ fahyn ]
noun
, Physics.
- a group of lines that are observed in the spectra of certain elements, as hydrogen, and that are caused by various couplings of the azimuthal quantum number and the angular momentum quantum number.
fine structure
noun
- the splitting of a spectral line into two or more closely spaced components as a result of interaction between the spin and orbital angular momenta of the atomic electrons Compare hyperfine structure
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Word History and Origins
Origin of fine structure1
First recorded in 1915–20
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Example Sentences
This fine structure is a railroad and wagon bridge and affords all necessary facilities for the movement of military stores.
From Project Gutenberg
In one flash there had been overthrown the fine structure which he had built about her in his thoughts.
From Project Gutenberg
It was a very fine structure, carved in Chinese fashion, and of great architectural beauty.
From Project Gutenberg
It is a fine structure in the p. 68perpendicular style, and is one of the handsomest old churches in the city.
From Project Gutenberg
The church is a fine structure of great antiquity, in the perpendicular style.
From Project Gutenberg
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