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eradicate
erase
eraser
Erastian
Erastianism
erasure
Erato
Eratosthenes
erbium
ere
Erebus, Mount
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erectile dysfunction
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erbium

er·bi·um [ úrbee əm ]


noun 
Definition:
 
metallic chemical element: a soft silvery metallic element of the rare-earth group. Source: monazite, bastnaesite. Use: alloys, pigment.
Symbol  Er


[Mid-19th century. After Ytterby, town in Sweden]
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