Definition of altruism noun from the Oxford Advanced Learner's Dictionary

 

altruism

 noun
noun
BrE BrE//ˈæltruɪzəm//
 
; NAmE NAmE//ˈæltruɪzəm//
 
[uncountable](formal)
 
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the fact of caring about the needs and happiness of other people more than your own Politicians are not necessarily motivated by pure altruism. Word Origin mid 19th cent.: from French altruisme, from Italian altrui ‘somebody else’, from Latin alteri huic ‘to this other’.
See the Oxford Advanced American Dictionary entry: altruism