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Definition of earth science noun from the Oxford Advanced Learner's Dictionary

earth science

noun
 
/ˈɜːθ saɪəns/
 
/ˈɜːrθ saɪəns/
[countable, uncountable]
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  1. a science that involves studying the earth or part of it. Geography and geology are both earth sciences. compare life science, natural scienceTopics Scientific researchb2
See earth science in the Oxford Advanced American DictionarySee earth science in the Oxford Learner's Dictionary of Academic English
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