n.

1. 改变，转变，变换[U][C][（+from/to/into）]
   Conversion of your heating system from coal to gas will be costly.

   你把暖气系统由烧煤改造成烧瓦斯会花好多钱。

2. 改变信仰；皈依[U][C][（+to）]
   his conversion from Hinduism to Buddhism

   他由印度教改信佛教

3. 折合，换算[U][（+into）]
4. 【律】侵占；财产转换[U]
   the conversion of public money to one's own use

   占用公款

5. 【美】【橄】（触地得分后的）外加得分[U][C]
6. 【英】【橄】踢定位球后的得分[U][C]
7. 【经】（证券、货币等的）兑换
8. 【逻】换位法
9. 【数】换算法；约化
10. （精神病学用语）转换

n.

1. the process of converting or of being converted.
   ▸Brit. a building that has been converted to a new purpose.
   ▸Law  the changing of real property into personalty, or of joint into separate property, or vice versa.
2. Rugby  a successful kick at goal after a try.
   ▸American Football  an act of converting a touchdown or a down.
3. Psychiatry  the manifestation of a mental disturbance as a physical disorder or disease.
4. Law  the action of wrongfully dealing with goods in a manner inconsistent with the owner's rights.