Search Result for "atomic_number_5":
Wordnet 3.0

NOUN (1)

1. a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder;
[syn: boron, B, atomic number 5]


WordNet (r) 3.0 (2006):

atomic number 5 n 1: a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder [syn: boron, B, atomic number 5]