iceland spar

Ice·land spar
I i


    • US Pronunciation
    • US IPA
    • [ahys-luh nd spahr]
    • /ˈaɪs lənd spɑr/
    • US Pronunciation
    • US IPA
    • [ahys-luh nd spahr]
    • /ˈaɪs lənd spɑr/

Definitions of iceland spar words

  • noun iceland spar a transparent variety of calcite that is double-refracting and is used as a polarizer. 1
  • noun iceland spar a pure transparent variety of calcite with double-refracting crystals used in making polarizing microscopes 0
  • noun iceland spar a transparent, colorless calcite, found esp. in Iceland: it is used by opticians for making double-refracting prisms 0
  • noun iceland spar A transparent form of calcite, used to demonstrate the polarisation of light. 0

Information block about the term

Origin of iceland spar

First appearance:

before 1820
One of the 38% newest English words
First recorded in 1820-30

Historical Comparancy

Parts of speech for Iceland spar


iceland spar popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 36% of English native speakers know the meaning and use word.
According to our data about 74% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

iceland spar usage trend in Literature

This diagram is provided by Google Ngram Viewer

See also

Matching words

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