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English definition of “science”

science

noun     /saɪəns/
A2 [U] ( knowledge from) the careful study of the structure and behaviour of the physical world , especially by watching , measuring , and doing experiments , and the development of theories to describe the results of these activities : pure / applied science recent developments in science and technology Space travel is one of the marvels / wonders of modern science.Subjects and disciplines B1 [C or U] a particular subject that is studied using scientific methods : physical sciences Economics is not an exact science. advances in medical scienceSubjects and disciplines A2 [U] the study of science: a science graduate / teacher a science course / lesson Subjects and disciplines
(Definition of science noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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