a white, powdery drug that is an isomer of hypoxanthine and inhibits the production of uric acid: used to treat gout
A drug, C5H4N4O, used to treat gout because it inhibits the synthesis of uric acid.
Origin of allopurinolallo– + purin(e) + –ol2.
(countable and uncountable, plural allopurinols)
allo- + purine + -ol