LANTHANUM
\lˈanθanəm], \lˈanθanəm], \l_ˈa_n_θ_a_n_ə_m]\
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a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
By Princeton University
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a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
By DataStellar Co., Ltd
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Lanthanum. The prototypical element in the rare earth family of metals. It has the atomic symbol La, atomic number 57, and atomic weight 138.91. Lanthanide ion is used in experimental biology as a calcium antagonist; lanthanum oxide improves the optical properties of glass.
By DataStellar Co., Ltd
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hydromorphic
- [Greek] Structurally adapted to an aquatic environment, as organs of water plants.