The chemical symbol for lead is Pb, from latin plumbum.
It is an abbreviation of plumbum, the latin name for lead.
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The Roman Empire. An abbreviation for empire is emp.
The abbreviation for the element lead is Pb. This stands for the Latin name for lead, which is plumbum.
Plumbum has the abbreviation Pb, which is Latin in origin. That is also where we get the word 'plumber' - pipes were originally made of lead.
Pb is the chemical abbreviation for lead, so perhaps it refers to a sample taken for lead level testing.
CaEDTA is the abbreviation for calcium-ethylenediaminetetraacetic acid, which is a chelating agent used to remove radium, lead, strontium, plutonium and cadmium from hard tissue.
The Latin word for lead is plumbum. Because of this, the abbreviation for lead has always been Pb. The word plumber also stems from here.
There are a few possiblities that the abbreviation gdf could stand for such as "God delivers, friend" meaning that if you lead a good life and follows God's word then good things are possible.
Actually, he doesn't. The UK (United Kingdom) is the abbreviation for Great Britain. While the prime minister and the queen of England get along with the president of the United States, he does not lead their country.
MCL may mean medial collateral ligament or modified chest lead, depending on context.
The abbreviation Pb for lead comes from it's original Latin name plumbum.