Dictionary.net
RARE EARTH
\ɹˈe͡əɹ ˈɜːθ], \ɹˈeəɹ ˈɜːθ], \ɹ_ˈeə_ɹ ˈɜː_θ]\
Definitions of RARE EARTH
2006 - WordNet 3.0
2011 - English Dictionary Database
Sort: Oldest first
any
element
of
the
lanthanide
series
(
atomic
numbers
57
through
71)
2006
- WordNet 3.0
By Princeton University
any
element
of
the
lanthanide
series
(
atomic
numbers
57
through
71)
2011
- English Dictionary Database
By DataStellar Co., Ltd
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