deontologyn.
英 ,diːɒn'tɒlədʒɪ | 美 ,diɑn'tɑlədʒi
中文n. 道义论（伦理学的一科）；义务论（形容词deontological）
词根词源
deontology (n.)science of moral duty, 1826, from Greek deont-, comb. form of deon "that which is binding, duty," neuter present participle of dei "is binding;" + -ology. Said to have been coined by Bentham. Related: Deontological.
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