Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
Topics: chemistry, geography, geology, mineralogy, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
any of a series of triclinic feldspars that form rocks
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: oligoclase
Antonyms: none provided
Broader terms: feldspar, felspar
Narrower terms: albite, white feldspar, anorthite
History
From plagio- + -clase, after German Plagioklas.
Across languages
7 source translations are retained for this English entry.
