feldspar
Any of a large group of rock-forming aluminosilicate minerals containing potassium,…Any of a large group of rock-forming aluminosilicate minerals containing potassium, sodium, or calcium that, together, make up about 60% of the Earth's outer crust.
» Rocks take time to decompose, especially quartz and feldspar.
Meaning
1 senses(countable, uncountable)Any of a large group of rock-forming aluminosilicate minerals containing potassium, sodium, or calcium that, together, make up about 60% of the Earth's outer crust.
Feldspat
полево́й шпатpolevój špat
польовий шпатpolʹovyj špat
any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium
Examples
2 sentencesRocks take time to decompose, especially quartz and feldspar.
Minerals such as quartz and feldspar are common in granite.
Translations
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Origin
Partial calque of German Feldspat, formed from Feld (“field”) + Spat (“spar”), the secondPartial calque of German Feldspat, formed from Feld (“field”) + Spat (“spar”), the second element replaced with the English cognate spar.
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Forms
plural: feldsparsSynonyms
1 synonyms- any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium:felspar
Word family
20 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable