variolan. 天花痘瘡學術名詞天花：畜牧學、動物學、醫學、藥學、獸醫學、實驗動物及比較醫學痘：畜牧學、獸醫學痘斑：動物學痘瘡：醫學英文釋義a highly contagious viral disease characterized by fever and weakness and skin eruption with pustules that form scabs that slough off leaving scars