Pb – מילון אנגלי-אנגלי
PB
Pb is the chemical symbol for the element
lead.
Pb
Noun
1. a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull gray; "the children were playing with lead soldiers"
(synonym) lead, atomic number 82
(hypernym) metallic element, metal
(hyponym) hard lead
(substance-holonym) galena
Pb (plomb)
Pb, lead, heavy bluish-gray metal (Chemistry)
lood (het)
n.
(also: Pb) lead, metal chemical element
Lead (Pb)
A heavy metal that is hazardous to health if breathed or swallowed. Its use in gasoline, paints, and plumbing compounds has been sharply restricted or eliminated by federal laws and regulations. (See:
heavy metals.)