— radioisotopic /ray'dee oh uy'seuh top"ik/ , adj.
/ray'dee oh uy"seuh tohp'/ , n.
a radioactive isotope, usually artificially produced: used in physical and biological research, therapeutics, etc.
[ 1940-45; RADIO- + ISOTOPE ]
— radioisotopic /ray'dee oh uy'seuh top"ik/ , adj.
/ray'dee oh uy"seuh tohp'/ , n.
a radioactive isotope, usually artificially produced: used in physical and biological research, therapeutics, etc.
[ 1940-45; RADIO- + ISOTOPE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012