fine structure
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.
Origin of fine structure
1- Compare hyperfine structure.
Words Nearby fine structure
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use fine structure in a sentence
The fine structure is the separation between two specific energy levels in the atom.
The exotic ‘atom’ positronium surprises scientists | Emily Conover | September 23, 2020 | Science News For StudentsPhysicists in England at University College London measured what’s known as the fine structure of these atoms.
The exotic ‘atom’ positronium surprises scientists | Emily Conover | September 23, 2020 | Science News For StudentsA team of physicists from University College London measured the separation between two specific energy levels of positronium, what’s known as its fine structure.
A measurement of positronium’s energy levels confounds scientists | Emily Conover | August 24, 2020 | Science NewsThis fine structure is a railroad and wagon bridge and affords all necessary facilities for the movement of military stores.
Ocean to Ocean on Horseback | Willard GlazierIn one flash there had been overthrown the fine structure which he had built about her in his thoughts.
The Snow-Burner | Henry Oyen
It was a very fine structure, carved in Chinese fashion, and of great architectural beauty.
It is a fine structure in the p. 68perpendicular style, and is one of the handsomest old churches in the city.
A Comprehensive History of Norwich | A. D. BayneThe church is a fine structure of great antiquity, in the perpendicular style.
A Comprehensive History of Norwich | A. D. Bayne
British Dictionary definitions for fine structure
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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