HyperDic: rare_earth

English > 1 sense of the expression rare earth:
NOUNsubstancerare earth, rare-earth element, lanthanoid, lanthanide, lanthanonany element of the lanthanide series (atomic numbers 57 through 71)
English > rare earth: 1 sense > noun 1, substance
MeaningAny element of the lanthanide series (atomic numbers 57 through 71).
Synonymsrare-earth element, lanthanoid, lanthanide, lanthanon
Narrowerterbium metalA separate group of related lanthanides, including terbium, europium, gadolinium, and sometimes dysprosium
Broadergroup, groupingAny number of entities (members) considered as a unit
Spanishlantánido, tierras raras
Catalanlantànid, terres rares

©2001-19 · HyperDic hyper-dictionary · Contact

English | Spanish | Catalan
Privacy | Robots

Valid XHTML 1.0 Strict