1. a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite; [syn: antimony, Sb, atomic number 51]
WordNet (r) 3.0 (2006):
atomic number 51
n 1: a metallic element having four allotropic forms; used in a
wide variety of alloys; found in stibnite [syn: antimony,
Sb, atomic number 51]