a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body
a diet designed to patients with vitamin deficiencies
any of a group of organic substances essential in small quantities to normal metabolism
an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative
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 cardinal compass point that is at 90 degrees