pseudonym

Từ điển Oxford Advanced Learner 8th

pseudo·nym [pseudonym pseudonyms] BrE [ˈsuːdənɪm] BrE [ˈsjuːdənɪm] NAmE [ˈsuːdənɪm] noun
a name used by sb, especially a writer, instead of their real name
•She writes under a pseudonym.
•The rebel chief uses the pseudonym ‘Tigrillo’.
compare ↑pen-name
Derived Word: ↑pseudonymous

Word Origin:
mid 19th cent.: from French pseudonyme, from Greek pseudōnymos, from pseudēs ‘false’ + onoma ‘name’.

Example Bank:
•He used various pseudonyms.
•He adopted the pseudonym of George Banks.
•He has used a variety of pseudonyms.
•She writes under a pseudonym.