fine structure

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Related to fine structure: hyperfine structure

fine structure

(fīn)

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.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

fine structure

(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

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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]

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Noun

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

struttura fine

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So, after all, there was a crack in the fine structure of Jurgis' faith in things as they are.

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Bailey said he'd be willing to work with her on educating the public about the change in fine structure, because education "is what will raise the awareness to protect our children."

House OKs doubling of fines for drivers who pass stopped school buses Opponents say result won't be deterrence, but instead more financial hardship for offenders Buses

It would address the funding gap by creating additional one-time fines and fees for traffic offenses, rather than the compounding fine structure of the DRP.

Proposed Bill Would End Texas' Controversial Driver Responsibility Program

Elegant with a fine structure, yet rich and dense without being heavy, it's soft and rounded with lovely length.

on the grapevine; sam wylie-harris HAS ARGENTINIAN MALBECS TO TANTALISE YOUR TASTEBUDS

A great story with fine structure, wonderful characters and a warm and happy ending.

Elson, Jane: Swimming to the Moon

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.

STRAIGHT OFF THE VINE

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.

Bigger fines bid to stop dumping

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.

Physico-Chemical Aspects of Textile Coloration

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.

Synchronous changes of the shape of histograms constructed from the results of measurements of [sup.90]Sr [beta]-Decay and [sup.239]Pu [alpha]-decay observed in more than 3000 km distant laboratories

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.