malignance 

英汉解释

n. 恶意，恶性

同义词

n. malignancy，malignity

反义词

n.   benignancy，benignity，graciousness

参考例句

1. Purpose:To evaluate the effecacy and side effects of domestic paclitaxel (taxol) in malignance.
目的：评价国产紫杉醇在恶性肿瘤中的治疗价值。
2. Objective To test the expression of Cathepsin B (CB) protease in gliomas and to investigate its correlation with the malignance and angiogenesis of gliomas.
目的探讨组织蛋白酶B（CB）在人胶质瘤中的表达及其与胶质瘤恶性程度、血管生成的关系。
3. Objective:To observe the therapeutic result of Aidi injection(Ginseng, Huangqi, Ciwujia, Banmao, etc)cooperate with chemotherapy in curing later period gastrointestinal malignance.
目的：观察艾迪注射液配合化疗药物治疗晚期胃肠道恶性肿瘤的疗效。

英英解释

n.
  1. (medicine) a malignant state; progressive and resistant to treatment and tending to cause death
  2. quality of being disposed to evil; intense ill will