Sentence:  Lilienthal's speech to the scientists at G.E. revelled in possibilities for atomic measurement and medicine, especially how a man dying of a huge throat tumor was treated with an <WSD>atomic cocktail</WSD>, causing the tumor to disappear completely in a matter of days. 
Meaning of the word marked with <WSD> tags:  A drinkable liquid containing a radioactive substance, used in health care either as a diagnostic aid or as a treatment, especially for cancer of the thyroid.