Found 2 items, similar to Beryllium.
English → English (WordNet) Definition: beryllium beryllium n : a light strong brittle gray toxic bivalent metallic element [syn: Be, glucinium, atomic number 4]
English → English (gcide) Definition: Beryllium Beryllium \Be*ryl"li*um\, n. [NL.] (Chem.) A metallic element found in the beryl. See Glucinum. [1913 Webster]