Definition of praseodymium in English:

praseodymium

Syllabification: pra·se·o·dym·i·um
Pronunciation: /ˌprāzēōˈdimēəm
 
/

noun

The chemical element of atomic number 59, a soft silvery-white metal of the lanthanide series. (Symbol: Pr)
More example sentences
  • They aimed beams of heavy ions at targets of selected elements to produce nuclei with 75 neutrons and 55, 57, 59, and 61 protons (cesium, lanthanum, praseodymium, and promethium) in a wide variety of spin states.
  • I have elements in there that I've never even contemplated using before - stuff like indium, tantalum, ytterbium, and praseodymium.
  • One of the oldest uses for praseodymium is in the manufacture of misch metal, a pyrophoric metal (a metal that gives sparks when struck) used to make lighter flints and tracer bullets.

Origin

late 19th century: modern Latin, from German Praseodym, from Greek prasios 'leek-green' (because of its green salts) + German Didym 'didymium'.

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