green·​stone | \ ˈgrēn-ˌstōn How to pronounce greenstone (audio) \

Definition of greenstone

2 : any of numerous usually altered dark green compact rocks (such as diorite)

Examples of greenstone in a Sentence

Recent Examples on the Web Stop 1: Humpback Rocks For spectacular views of the Blue Ridge Mountains, head to Humpback Rocks, a massive greenstone outcrop (at milepost 5.8 of the Blue Ridge Parkway). Susan O'keefe, National Geographic, "How to see the Virginia Piedmont? Just follow Thomas Jefferson," 29 Nov. 2019 In the latest study, Sobolev's team studied komatiite from the Barberton greenstone belt in South Africa, which is 3.3 billion years old. David Grossman, Popular Mechanics, "How a Few Water Drops Could Change What We Know About Plate Tectonics," 6 Aug. 2019 Shaggy Briton woodsmen in the vast pre-Roman forests of Cumbria, gripping their sacred Langdale axes, with glimmering heads knapped from the rare volcanic greenstone mined from the Pike of Stickle. Jonny Diamond, Longreads, "Lumbersexuality, a Sport and a Pastime," 8 June 2019 The vessel, nicknamed el pato loco (the crazy duck), is just as unique as the greenstone figure in its own endearing way. Christopher Knight,, "Teotihuacan: An ancient Mexican city's remarkable art comes to life at LACMA," 18 Apr. 2018 Below, on a hillside of granite and greenstone, was the wreckage of a B-24D bomber that went down Dec. 21, 1943 during a flight to test the plane’s systems in extreme cold. Brian Murphy, Washington Post, "How one man’s obsession led to the discovery of a lost WWII pilot," 30 June 2018 In Hokitika, a major center for carving New Zealand greenstone, many of our group showed up for dinner with new jewelry. Victoria Mckernan, miamiherald, "New Zealand tour: 2 wheels, 8 friends and nearly 600 miles | Miami Herald," 28 Oct. 2017 They were found in Quebec, Canada’s Nuvvuagittuq greenstone belt, which is home to some of Earth’s most ancient rocks. Erin Blakemore, Smithsonian, "Scientists Think They’ve Found the Oldest Fossil Ever," 1 Mar. 2017 Fault lines run through Man Chain and Kahshahpiwi Lakes, cleaving perfectly straight granite and greenstone shorelines. Porter Fox, New York Times, "On the Water, and Into the Wild," 21 Oct. 2016

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

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First Known Use of greenstone

1658, in the meaning defined at sense 1

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The first known use of greenstone was in 1658

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Cite this Entry

“Greenstone.” Dictionary, Merriam-Webster, Accessed 15 Jul. 2020.

More from Merriam-Webster on greenstone

Rhyming Dictionary: Words that rhyme with greenstone Encyclopedia article about greenstone

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