holmia definition

  • noun:
    • holmium oxide
    • An oxide of holmium.
    • A genus of trilobites of the family members Olenidæ and described as possessing 10 free portions and a tiny unsegmented pygidium. It happens within the Lower Cambrian rooks.
    • In chem., one of the rare earths, found with yttria in gadolinite, and supposed to be the oxid of a definite element, holmium: but it might an as however unseparated combination.
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