Definition of greenstone in English:

greenstone

Line breaks: green|stone
Pronunciation: /ˈgriːnstəʊn
 
/

noun

[mass noun] Geology
  • 1A greenish igneous rock containing feldspar and hornblende.
    More example sentences
    • The primary rocks of the Bradshaw Mountains are granites and greenstones (gneiss and schist).
    • Greenwell discovered numerous antler picks scattered throughout the mine as well as the ground stone axe made of greenstone from Cornwall.
    • Some of the oldest rocks on earth have also been found here: the greenstone is estimated to be 3 000-million years old.
  • 1.1chiefly NZ A variety of jade: [as modifier]: a greenstone necklace
    More example sentences
    • This same dress code, however, allows Maori students to wear bone and greenstone necklaces as part of the school's ‘Treaty of Waitangi obligations’.
    • In early 1913 six Maori greenstone artefacts disappeared from a showcase in the Salisbury and South Wiltshire Museum.
    • After performing a waiata the students presented Potikitaua-Taraare with a greenstone necklace and other gifts.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody