euthanasia
/ˌjuːθəˈneɪzjə/noun
mass noun
- the painless killing of a patient suffering from an incurable and painful disease or in an irreversible coma. The practice is illegal in most countries.安乐死, 无痛苦致死。
词源
early 17th cent. （in the sense 'easy death'）： from Greek, from eu 'well'+thanatos 'death'.