Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Language: French
Origin: altruisme, from autrui 'other people'

altruism

noun
     
al‧tru‧is‧m [uncountable]
when you care about or help other people, even though this brings no advantage to yourself:
Many choose to work in developing countries out of altruism.
altruist noun [countable]

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