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feldspar

felds·par

UK/ˈfɛldspɑː/ US/ˈfɛldˌspɑɹ/ uncommon

noun

1.

any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium

Synonyms

Origin

Partial calque of German Feldspat, formed from Feld (“field”) + Spat (“spar”), the second element replaced with the English cognate spar.

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.