Origin of Pb
Origin of P.B.1
Examples from the Web for pb
Historical Examples of pb
Let P (fig. 2) be the particle and PB a normal to the surface.
Blue and purple unite to form purple-blue (PB), popularly called violet.A Color Notation
Albert H. Munsell
Lead is not a compound, but an element whose chemical symbol is Pb, taken from the Latin name for lead.The Automobile Storage Battery
O. A. Witte
Now, similarly, at pB the sector B has come around and begins to pass behind P.