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词汇 adularia
释义

Definition of adularia in English:

adularia

noun ˌadʒʊˈlɛːrɪəˌadjʊˈlɛːrɪə
Mineralogy
  • A potassium feldspar that occurs in schists (notably in the Swiss Alps), often with a distinctive opalescence, and is now regarded as a variety of orthoclase.

Origin

Late 18th century; earliest use found in The Critical Review. From Italian adularia from Adula, the name of an area of the Alps east of the St Gotthard Pass + -ia, with insertion of -r- apparently for euphony.

Definition of adularia in US English:

adularia

noun
Mineralogy
  • A potassium feldspar that occurs in schists (notably in the Swiss Alps), often with a distinctive opalescence, and is now regarded as a variety of orthoclase.

Origin

Late 18th century; earliest use found in The Critical Review. From Italian adularia from Adula, the name of an area of the Alps east of the St Gotthard Pass + -ia, with insertion of -r- apparently for euphony.

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