English poet (1859-1936)
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
one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)