rare earth metal

rare earth metal
noun see rare earth element

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Rare earth metal. — Rare earth metal.. См. Редкоземельные металлы. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

  • rare-earth metal — noun see rare earth 2 * * * rare earth element or rare earth metal, any one of a series of metallic elements that have similar properties, ranging from lanthanum (atomic number 57) through lutetium (atomic number 71); lanthanide. Some series do… …   Useful english dictionary

  • rare-earth metal — retųjų žemių metalas statusas T sritis fizika atitikmenys: angl. rare earth metal vok. seltene Erde, f; Seltenerdmetall, n rus. редкоземельный металл, m pranc. métal de terre rare, m …   Fizikos terminų žodynas

  • rare earth metal — Any of a large class of chemical elements including scandium (atomic number 21), yttrium (39), and the 15 elements from 57 (lanthanum) to 71 (see lanthanides). The rare earths themselves are pure or mixed oxides of these metals, originally… …   Universalium

  • rare-earth metal ores — Смотри руды редкоземельных металлов …   Энциклопедический словарь по металлургии

  • rare-earth metal alloys — Смотри сплавы редкоземельных металлов …   Энциклопедический словарь по металлургии

  • rare earth — UK US noun [C or U] (also rare earth element, rare earth metal) NATURAL RESOURCES ► one of a group of metal chemical elements that are difficult to find in large quantities, and are important for technology and manufacturing: »Rare earths are key …   Financial and business terms

  • rare earth element — n any of a series of metallic elements of which the oxides are classed as rare earths and which include the elements of the lanthanide series and sometimes yttrium and scandium called also rare earth metal …   Medical dictionary

  • rare-earth element — n. any of the series of metallic chemical elements, with consecutive atomic numbers of 57 (lanthanum) through 71 (lutetium) inclusive: see LANTHANIDE: often called rare earth metal …   English World dictionary

  • rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …   Universalium

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