n.[U][S]

1. （感情的）突变，剧变
   My feeling for him underwent a revulsion when I discovered his cruelty.

   当我发现他的残忍时，对他的感情起了剧变。

2. 嫌恶；强烈反感[（+against）]
3. 【罕】收回，抽回；撤回

n.

1. a sense of disgust and loathing.
2. Medicine,  chiefly historical the drawing of disease or blood congestion from one part of the body to another, e.g. by counterirritation.