horn·​blende ˈhȯrn-ˌblend How to pronounce hornblende (audio)
: a mineral that is the common dark green to black variety of aluminous amphibole
broadly : amphibole sense 2
hornblendic adjective

Example Sentences

Recent Examples on the Web Margaret sheltered in the lee of a large stone, gneiss studded with gleaming black hornblende, and rummaged in the giant rucksack on my back. Hugh Raffles, The New York Review of Books, 9 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hornblende.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


borrowed from German Hornblende, from Horn horn + Blende blende

First Known Use

1770, in the meaning defined above

Time Traveler
The first known use of hornblende was in 1770

Dictionary Entries Near hornblende

Cite this Entry

“Hornblende.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hornblende. Accessed 2 Dec. 2022.

Kids Definition



horn·​blende -ˌblend How to pronounce hornblende (audio)
: a dark mineral commonly found as a kind of rock

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