First, figure out if you qualify for deductions. You can deduct only the amount of your medical expenses that is more than 7.5% of your Adjusted Gross Income (AGI). To do this add up all your medical expenses for 2011.(A list of deductible expenses can be found here at the IRS website .).tep 3: Do the Math. You can deduct ONLY the amount of your medical expenses that is more than 7.5% of your Adjusted Gross Income (AGI). For example, if your AGI is $40,000 then 7.5% of that income is $3,000.
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Lead(noun) one of the elements, a heavy, pliable, inelastic metal, having a bright, bluish color, but easily tarnished. 2  Lead(noun) an article made of lead or an alloy of lead. 3  Lead(noun) a plummet or mass of lead, used in sounding at sea.
Where did lead get its name? Lead is an Anglo-Saxon word for the metal that has been used and known about since ancient times. The symbol Pb comes from the Latin word for lead, plumbum. The Romans used lead for making pipes, which is where the word plumber comes from as well. Isotopes Lead occurs naturally in the form of four isotopes. The most common isotope is lead-208. Interesting Facts about Lead. For many years lead and tin were thought to be the same metal. Lead was called plumbum nigrum for black lead and tin was called plumbum album for white lead. Over one million tons of lead is recycled each year. People have known about lead poisoning since Ancient China and Ancient Greece. The element is a member of the carbon group (column 14) in the periodic table.