microcline

M3I1C3R1O1C3L1I1N1E1

noun

A common feldspar of igneous, plutonic, and metamorphic rocks, made of potassium aluminum silicate, with the chemical formula KAlSi₃O₈.

OriginEnglish micro- ← Ancient Greek μῑκρο- (mīkro-) ← Proto-Indo-European *mey-der.? →
Scrabble 16
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Meanings

nounmicrocline (countable and uncountable, plural microclines)

plural microclines

  1. countableuncountablechemistryA common feldspar of igneous, plutonic, and metamorphic rocks, made of potassium aluminum silicate, with the chemical formula KAlSi₃O₈.

Synonyms & antonyms

Also see
barbierite

Origin

  1. Proto-Indo-European*mey-der.?
  2. Ancient Greekμῑκρός (mīkrós)
  3. Ancient Greekμῑκρο- (mīkro-)
  4. Englishmicro-
  5. Englishmicrocline

From micro- (“small”) + -cline.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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