Search Result for "atomic number 4":
Wordnet 3.0

NOUN (1)

1. a light strong brittle grey toxic bivalent metallic element;
[syn: beryllium, Be, glucinium, atomic number 4]



WordNet (r) 3.0 (2006):

atomic number 4
    n 1: a light strong brittle grey toxic bivalent metallic element
         [syn: beryllium, Be, glucinium, atomic number 4]