or  ni*tro*glyc*er*ine  n :  a heavy oily explosive poisonous liquid C₃H₅N₃O₉ used chiefly in making dynamites and in medicine as a vasodilator (as in angina pectoris) - called also trinitrin , trinitroglycerin  - see NITRO-DUR NITROSTAT  .
 
 
 
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