ad·​u·​lar·​ia ˌa-jə-ˈler-ē-ə How to pronounce adularia (audio)
: a transparent or translucent orthoclase

Word History


borrowed from Italian, from Adula, mountain group in the Lepontine Alps east of St. Gotthard Pass (Switzerland) + -aria (borrowed from Latin -āria, feminine singular of -ārius -ary entry 1)

First Known Use

1789, in the meaning defined above

Time Traveler
The first known use of adularia was in 1789

Dictionary Entries Near adularia

Cite this Entry

“Adularia.” Dictionary, Merriam-Webster, Accessed 24 Feb. 2024.

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