Definition of Rare earth

1. Noun. Any element of the lanthanide series (atomic numbers 57 through 71).

Exact synonyms: Lanthanide, Lanthanoid, Lanthanon, Rare-earth Element
Generic synonyms: Group, Grouping
Specialized synonyms: Terbium Metal

Definition of Rare earth

1. Noun. (chemistry) naturally occurring oxides of the lanthanide metals; they are widely distributed in relatively small concentrations and are used in glassmaking, ceramic glazes etc ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Rare Earth

rapturously
rapturousness
rapturousnesses
raptus
raptus hemorrhagicus
raptuses
raquet
raquetball
rara avis
rara avises
rarae aves
rare
rare-earth element
rare-earth screen
rare bird
rare earth (current term)
rare earth element
rare earth elements
rare earth magnet
rare earth metal
rare earth metals
rare earth mineral
rare earths
rare species
rare spring-sedge
rare spring-sedges
rarebit
rarebits
rared
raree-show

Literary usage of Rare earth

Below you will find example usage of this term as found in modern and/or classical literature:

1. Journal of the American Chemical Society by American Chemical Society (1902)
"It seemed advisable to restrict this study to the rare earth metals. To this end salts of zirconium, thorium, cerium, lanthanum, neodymium and praseodymium ..."

2. Standard methods of chemical analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1917)
"... rare earth OXALATES Convert into the sulphates by evaporating with sulphuric acid. Dissolve in water and add solid sodium sulphate in excess to the ..."

3. Recent Advances in Physical and Inorganic Chemistry by Alfred Walter Stewart (1920)
"At the present day, these by-products form one of the most fruitful sources in the investigation of the elements of the rare earth series. 2. ..."

4. Recent Advances in Physical and Inorganic Chemistry by Alfred Walter Stewart (1912)
"If an attempt be made to fit the rare earth elements into the table in the ... In the first of these, it is assumed that the rare earth elements are all ..."

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