sb

Noun sb has 2 senses

• sb(n = noun.substance) antimony, atomic number 51 - a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite;
is a kind of metal, metallic element

• sb(n = noun.communication) bachelor of science, bs - a bachelor's degree in science;
is a kind of baccalaureate, bachelor's degree