fine structure

fine struc·ture
F f


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [fahyn struhk-cher]
    • /faɪn ˈstrʌk tʃər/
    • /faɪn ˈstrʌktʃə(r)/
    • US Pronunciation
    • US IPA
    • [fahyn struhk-cher]
    • /faɪn ˈstrʌk tʃər/

Definitions of fine structure words

  • noun 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. 1
  • noun 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 0

Information block about the term

Origin of fine structure

First appearance:

before 1915
One of the 14% newest English words
First recorded in 1915-20

Historical Comparancy

Parts of speech for Fine structure


fine structure popularity

This term is known only to a narrow circle of people with rare knowledge. Only 6% of English native speakers know the meaning of this word.
According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

fine structure usage trend in Literature

This diagram is provided by Google Ngram Viewer

See also

Matching words

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