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hypersthene

play
noun hy·per·sthene \ˈhī-pərs-ˌthēn\

Definition of hypersthene

  1. :  an orthorhombic grayish or greenish black or dark brown pyroxene

hy·per·sthe·nic play \ˌhī-pərs-ˈthe-nik, -ˈthē-\ adjective


Origin of hypersthene

French hypersthène, from Greek hyper- + sthenos strength


First Known Use: circa 1808


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