green·​stone ˈgrēn-ˌstōn How to pronounce greenstone (audio)
: any of numerous usually altered dark green compact rocks (such as diorite)

Examples of greenstone in a Sentence

Recent Examples on the Web There are just two notable surviving chunks of Archean crust: the Barbeton greenstone in South Africa and the Pilbara region of Western Australia. Corey S Powell, Discover Magazine, 26 Aug. 2015 Oyster shells and greenstone were equated with life, vitality and solar rebirth in the sea. Franz Lidz Meghan Dhaliwal, New York Times, 13 Sep. 2022 The team also uncovered a greenstone mask, and the skulls of a puma and a wolf. Joshua Rapp Learn, Discover Magazine, 19 Jan. 2021 The local Consulate of Mexico will accept Olmec greenstone sculptures, a figure from the city of Zacatecas, bowls that were buried with tombs, and other clay figurines that date back thousands of years. Terry Tang, The Christian Science Monitor, 27 July 2022 The chamber where the deer carvings are located held the remains of up to ten people, some of them cremated, as well as a whetstone, a greenstone ax and a flint knife. Livia Gershon, Smithsonian Magazine, 3 June 2021 The geology of northern Ontario and a swath of northern Minnesota are similar, all belonging to what’s called the Abitibi-Wawa greenstone belt. Mike Hughlett, Star Tribune, 22 Oct. 2020 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, 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, 6 Aug. 2019 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'greenstone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1658, in the meaning defined at sense 1

Time Traveler
The first known use of greenstone was in 1658

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Cite this Entry

“Greenstone.” Dictionary, Merriam-Webster, Accessed 21 Feb. 2024.

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