RARE EARTH ELEMENT


Meaning of RARE EARTH ELEMENT in English

transcription, транскрипция: [ noun ]

Date: 1924

: 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

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.