in sing.
- a set of moral principles, especially ones relating to or affirming a specified group, field, or form of conduct道德规范, 伦理标准：
the puritan ethic was being replaced by the hedonist ethic.
清教徒的道德观正被享乐主义道德观所取代。
- rare of or relating to moral principles or the branch of knowledge dealing with these〈罕〉（与）道德规范（有关）的; （与）伦理（有关）的。
词源
late Middle English （denoting ethics or moral philosophy; also used attributively）： from Old French éthique, from Latin ethice, from Greek （ hē） ēthikē （tekhnē） '(the science of) morals', based on ēthos （see ETHOS）.