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English definition of “pseudonym”

pseudonym

noun [C] uk   /ˈsjuː.də.nɪm/ us    /ˈsuː.də.nɪm/
a name that a person, such as a writer, uses instead of their real name, especially on their work: She writes under a pseudonym. George Orwell was a pseudonym - his real name was Eric Blair.
pseudonymous
adjective uk   /sjuːˈdɒn.ɪ.məs/ us    /suːˈdɑː.nɪ-/ formal
pseudonymous literature
(Definition of pseudonym from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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