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/jʊˈɹəʊ.pɪ.əm/ · noun
A metallic chemical element (symbol Eu) with an atomic number of 63..
Use europium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Europium means A metallic chemical element (symbol Eu) with an atomic number of 63..
Common synonyms include atomic number 63, eu.
The opposite depends on the specific sense.
Use europium where its definition matches the intended context.
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