feldspar

F4E1L1D2S1P3A1R1
US/ˈfɛldˌspɑɹ/UK/ˈfɛldspɑː/

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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Less commonScrabble 14

Meanings

nounfeldspar (countable and uncountable, plural feldspars)

plural feldspars · alternative felspar

  1. countableuncountablechemistryAny 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.

Synonyms & antonyms

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

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Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

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

Full word history & related roots →

Translations

Afrikaans veldspaat
  • veldspaatany of a large group of rock-forming minerals
Arabic فلسبار
  • فلسبار (falasabar)any of a large group of rock-forming minerals
Basque feldespato
  • feldespatoany of a large group of rock-forming minerals
Bulgarian фелдшпат
  • фелдшпат (feldšpat)any of a large group of rock-forming minerals
Catalan feldspat
  • feldspatany of a large group of rock-forming minerals
Chinese Cantonese 長石 /长石
  • 長石 /长石 (zoeng² sek⁶)any of a large group of rock-forming minerals
Chinese Mandarin 長石 /长石
  • 長石 /长石 (chángshí)any of a large group of rock-forming minerals
Czech živec
  • živecany of a large group of rock-forming minerals
Danish feldspat
  • feldspatany of a large group of rock-forming minerals
Dutch veldspaat
  • veldspaatany of a large group of rock-forming minerals
Esperanto feldspato
  • feldspatoany of a large group of rock-forming minerals
Finnish maasälpä
  • maasälpäany of a large group of rock-forming minerals
French feldspath
  • feldspathany of a large group of rock-forming minerals
German Feldspat
  • Feldspatany of a large group of rock-forming minerals
Greek άστριος
  • άστριος (ástrios)any of a large group of rock-forming minerals
Hebrew פצלת הסדה
  • פצלת הסדה (patsélet hasadé)any of a large group of rock-forming minerals
Hindi फेल्सपार
  • फेल्सपार (phelsapār)any of a large group of rock-forming minerals
Hungarian földpát
  • földpátany of a large group of rock-forming minerals
Icelandic feldspat
  • feldspatany of a large group of rock-forming minerals
Indonesian felspar
  • felsparany of a large group of rock-forming minerals
Irish iathchloch
  • iathchlochany of a large group of rock-forming minerals
Italian feldspato
  • feldspatoany of a large group of rock-forming minerals
Japanese 長石
  • 長石 (chōseki)any of a large group of rock-forming minerals
Korean 장석
  • 장석 (jangseok)any of a large group of rock-forming minerals
Latvian laukšpats
  • laukšpatsany of a large group of rock-forming minerals
Lithuanian feldšpatas, lauko špatas
  • feldšpatasany of a large group of rock-forming minerals
  • lauko špatasany of a large group of rock-forming minerals
Norwegian Bokmål feltspat
  • feltspatany of a large group of rock-forming minerals
Persian فلدسپات
  • فلدسپاتany of a large group of rock-forming minerals
Polish skaleń
  • skaleńany of a large group of rock-forming minerals
Portuguese feldspato
  • feldspatoany of a large group of rock-forming minerals
Romanian feldspat
  • feldspatany of a large group of rock-forming minerals
Russian полево́й шпат
  • полево́й шпат (polevój špat)any of a large group of rock-forming minerals
Slovak živec
  • živecany of a large group of rock-forming minerals
Spanish feldespato
  • feldespatoany of a large group of rock-forming minerals
Swedish fältspat
  • fältspatany of a large group of rock-forming minerals
Tagalog peldespato
  • peldespatoany of a large group of rock-forming minerals
Tamil பெல்ட்ஸ்பார்
  • பெல்ட்ஸ்பார் (pelṭspār)any of a large group of rock-forming minerals
Thai เฟลด์สปาร์
  • เฟลด์สปาร์ (flâyt-bpaa)any of a large group of rock-forming minerals
Turkish feldspat
  • feldspatany of a large group of rock-forming minerals
Ukrainian польовий шпат
  • польовий шпат (polʹovyj špat)any of a large group of rock-forming minerals
Vietnamese fenspat
  • fenspatany of a large group of rock-forming minerals
Welsh ffelsbar
  • ffelsbarany of a large group of rock-forming minerals
Cite this entry
APA

feldspar. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/feldspar

MLA

“feldspar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/feldspar. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “feldspar,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/feldspar.

Source: feldspar on Wiktionary, CC BY-SA 4.0.