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fraunhofer lines

Fraun·ho·fer line
F f

Transcription

    • US Pronunciation
    • US IPA
    • [froun-hoh-fer, frou-uh n-hof-er lahyn]
    • /ˈfraʊnˌhoʊ fər, ˈfraʊ ənˌhɒf ər laɪn/
    • US Pronunciation
    • US IPA
    • [froun-hoh-fer, frou-uh n-hof-er lahyn]
    • /ˈfraʊnˌhoʊ fər, ˈfraʊ ənˌhɒf ər laɪn/

Definitions of fraunhofer lines words

  • noun plural fraunhofer lines a set of dark lines appearing in the continuous emission spectrum of the sun. It is caused by the absorption of light of certain wavelengths coming from the hotter region of the sun by elements in the cooler outer atmosphere 0
  • noun fraunhofer lines the dark lines visible in the spectrum of the sun or a star 0
See all 2 definitions of fraunhofer lines

Information block about the term

Origin of fraunhofer lines

First appearance:

before 1830
One of the 36% newest English words
First recorded in 1830-40; named after J. von Fraunhofer

Historical Comparancy

Parts of speech for Fraunhofer lines

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Full grammatical hierarchy of Fraunhofer lines

fraunhofer lines popularity

This term is known only to a narrow circle of people with rare knowledge. Only 1% 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.

fraunhofer lines usage trend in Literature

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See also

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