fine structure


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Related to fine structure: hyperfine structure

fine structure

 (fīn)
n.
1. Physics The splitting of atomic spectral lines into closely spaced groups around a single wavelength, caused by the magnetic moments of orbiting electrons in the nuclei.
2. Biology See ultrastructure.

fine structure

n
(General Physics) 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

fine′ struc′ture

(faɪn)

n.
1. a group of lines that are observed in the spectra of certain elements, as hydrogen.
2. the aggregate of components of the cytoskeleton.
[1915–20]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fine structure - the presence of groups of closely spaced spectrum lines observed in the atomic spectrum of certain elements; "the fine structure results from slightly different energy levels"
spectrum line - an isolated component of a spectrum formed by radiation at a uniform frequency
atomic spectrum - (physics) a spectrum of radiation caused by electron transitions within an atom; the series of spectrum lines is characteristic of the element
Translations
References in classic literature ?
So, after all, there was a crack in the fine structure of Jurgis' faith in things as they are.
A great story with fine structure, wonderful characters and a warm and happy ending.
Through the mid-palate it has a fine structure and the finish is soaked in strident red fruits with a little savoury tone in this very versatile food wine.
Those caught were previously fined a flat rate of BD300 for each offence, but a new fine structure will result in a BD800 fine for illegally disposing a typical 40kg load.
Individual chapters in the second half of the book focus on the chemistry, fine structure, and properties of cellulosic fibers, polyester, polyamide, wool, polyacrylonitrile, and silk.
The recently introduced rapifleX MALDI-TOF system has set new standards for speed and pixel fidelity for protein imaging and molecular histology research, while the solariX XR FTMS system successfully merged MALDI small molecule imaging with Isotopic Fine Structure analysis for undisputable molecular formula specificity.
This figure demonstrates that contrary to the law of large numbers (the total number of measurements is 259200), the fine structure of the layered lines is not smoothed when the number of measurements is increased--it becomes even sharper.
A new visa fee and fine structure also includes a Dh5,000 refundable deposit collected for cancelling a sponsor's residence visa without cancelling the visas of the sponsored family members.
The city is about to lose a fine structure whose architecture belongs to a bygone time.
Physicists have placed the strictest limit yet on how much the fine structure constant-which determines how strongly electrically charged objects interact-could change with the density of nearby matter.
Drawing on his experience using x-ray absorption fine structure (XAFS) spectroscopy to study systems ranging from magnetic nanoparticles to pigments in 18th-century paintings, Calvin (natural science and mathematics, Sarah Lawrence College) presents a practical guide to this powerful scientific tool.
Until now, researchers seeking to understand the brain's fine structure and connections have been faced with tradeoffs.