United States general in the American Civil War who was defeated by Robert E. Lee at the Battle of Fredericksburg (1824-1881)
facial hair that has grown down the side of a man's face in front of the ears (especially when the rest of the beard is shaved off)
a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
the base of the natural system of logarithms; approximately equal to 2.718282...
the 5th letter of the Roman alphabet
a radioactive transuranic element produced by bombarding plutonium with neutrons
the blood group whose red cells carry the A antigen
the cardinal compass point that is at 90 degrees