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
(computer science) a system of world-wide electronic communication in which a computer user can compose a message at one terminal that can be regenerated at the recipient's terminal when the recipient logs in
a radioactive transuranic element produced by bombarding plutonium with neutrons
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...