Rather agitated, holding live element

Wikipedia Word definitions in Wikipedia
Rare earth may refer to: Rare earth elements , a group of elements on the periodic table Rare earth mineral , a mineral substantively composed of these elements Rare-earth magnet , a type of magnet that employs rare earth elements to increase effectiveness ...

Wiktionary Word definitions in Wiktionary
n. (context chemistry English) naturally occurring oxides of the lanthanide metals; they are widely distributed in relatively small concentrations and are used in glassmaking, ceramic glazes etc

WordNet Word definitions in WordNet
n. any element of the lanthanide series (atomic numbers 57 through 71) [syn: rare-earth element , lanthanoid , lanthanide , lanthanon ]