Martian Meaning in the Cambridge English Dictionary
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Meaning of “Martian” in the English Dictionary

"Martian" in British English

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Martiannoun [C]

uk   /ˈmɑː.ʃən/  us   /ˈmɑːr-/
a ​creature, usually ​appearing in ​films and ​books, who is ​believed to come from ​Mars

Martianadjective

uk   /ˈmɑː.ʃən/  us   /ˈmɑːr-/
relating to the ​planetMars, or to ​creatures that are ​believed to come from ​Mars : a ​study of the Martian ​atmosphere in ​comparison with that of ​Earth
(Definition of Martian from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"Martian" in American English

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Martianadjective [not gradable]

 us   /ˈmɑr·ʃən/
relating to the ​planetMars: the Martian ​atmosphere
(Definition of Martian from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “Martian”
in Chinese (Simplified) (通常出现于电影和书中的)火星人…
in Turkish Marslı…
in Russian марсианин…
in Chinese (Traditional) (通常出現於電影和書中的)火星人…
in Polish Marsja-nin/nka…
What is the pronunciation of Martian?
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