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
a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body
a radioactive transuranic element produced by bombarding plutonium with neutrons
the 1st letter of the Roman alphabet
the cardinal compass point that is at 90 degrees
the 5th letter of the Roman alphabet
the base of the natural system of logarithms; approximately equal to 2.718282...