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: N- N. Na Nb Nc Nd Ne Ng Nh Ni Nj Nl Nm Nn No Np Nr Ns Nt Nu Nv Nw Ny
neocortical | neocosmic | neocracy | neocriticism | neodamode | neodymium | neoencephalon | neoexpressionism | neofiber | neofiber alleni | neogæan

neodymium

 : 
Noun
 : 
ne=o=dym=i=um

CIDE DICTIONARY

neodymiumn. [NL. Dee Neo-, and Didymium.].
     The chemical element of atomic number 60, one of the rare earth elements. Symbol Nd. Atomic weight 144.27.
    "It is a rare metallic element occurring in combination with cerium, lanthanum, and other rare metals, and forming amethyst-colored salts. It was originally thought to be part of a supposed new element didymium, obtained from cerite in 1843. Later this was resolved into two elements, neodymium and praesodymium by von Welsbach in 1885. It is chiefly trivalent. It is a faintly yellow metal."  [1913 Webster]

OXFORD DICTIONARY

neodymium, n. Chem. a silver-grey naturally-occurring metallic element of the lanthanide series used in colouring glass etc.

Usage
Symb.: Nd.
Etymology
NEO- + DIDYMIUM

For further exploring for "neodymium" in Webster Dictionary Online


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