feldspar

/ˈfɛldspɑː/US/ˈfɛldˌspɑɹ/

feldspar noun: 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.

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Noun

feldspar (countable and uncountable, plural feldspars)

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.

feldspar meaning in Hindi, Tamil, Tagalog and Arabic

feldspar in Hindi

any of a large group of rock-forming minerals: फेल्सपार phelsapār

feldspar in Tamil

any of a large group of rock-forming minerals: பெல்ட்ஸ்பார் pelṭspār

feldspar in Tagalog

any of a large group of rock-forming minerals: peldespato

feldspar in Arabic

any of a large group of rock-forming minerals: فلسبار falasabar

More languagesFewer languages

feldspar in Indonesian: felspar
feldspar in Persian: فلدسپات
feldspar in Thai: เฟลด์สปาร์ flâyt-bpaa
feldspar in Vietnamese: fenspat
feldspar in Myanmar: ကြွေကျောက် krwe-kyauk

Examples of feldspar in a sentence

This is supported by the disappearance of cracks and cleavages in feldspars that suffered adularization.
Kinmen now supplies fully a third of Taiwan’s kaolin and feldspar need.
Feldspar has a few too many coffee-tinis in the morning.

All 11 example sentences with feldspar

Forms of feldspar

plural	feldspars
alternative form	felspar

Origin of feldspar

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

Words formed from feldspar

Questions about feldspar

What does feldspar mean?: Feldspar means 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.
What is feldspar in Hindi?: Feldspar in Hindi is फेल्सपार (phelsapār). See Feldspar meaning in Hindi.
What part of speech is feldspar?: Feldspar is a noun.
How do you pronounce feldspar?: Feldspar is pronounced /ˈfɛldˌspɑɹ/ (US).
What is the plural of feldspar?: The plural of feldspar is feldspars.

Words near feldspar in the dictionary

Adapted from Wiktionary: feldspar (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-feldspar.wav.

Cite this entry: “feldspar.” Word.ws, https://word.ws/feldspar. Based on Wiktionary, CC BY-SA 4.0.