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felspar

American  
[fel-spahr] / ˈfɛlˌspɑr /

noun

  1. feldspar.


felspar British  
/ fɛlˈspæθɪk, ˈfɛlˌspɑː /

noun

  1. a variant (esp Brit) of feldspar

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • felspathic adjective

Etymology

Origin of felspar

< German Fels rock + spar 3, by false etymological analysis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Everywhere were little grains of felspar, mica, or quartz, which caught the reflection of the light.

From Project Gutenberg

It turned evenly, slowly, noiselessly, and, as it turned, the light from the lamp caused the quartz and mica and felspar in the granite to glisten like a thousand fire-flies on a summer's evening.

From Project Gutenberg

Each mineral may also enclose particles of the others; in the quartz, for example, small crystals of graphite, biotite, iron oxides, sillimanite or felspar may appear in great numbers.

From Project Gutenberg

This is a kind of hard porcelain made from a mixture of kaolin and felspar, in which the degree of hardness or fusibility is regulated by the proportion of one material towards the other.

From Project Gutenberg

Their felspar ranges from oligoclase to andesite and labradorite, and is often very zonal; sanidine occurs also in some dacites, and when abundant gives rise to rocks which form transitions to the rhyolites.

From Project Gutenberg