inorganic Chemistry
US /ˌɪn.ɔːrˈɡæn.ɪk ˈkem.ɪ.stri/
UK /ˌɪn.ɔːrˈɡæn.ɪk ˈkem.ɪ.stri/

1.
the branch of chemistry concerned with the properties and reactions of inorganic compounds.
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She specialized in inorganic chemistry during her postgraduate studies.
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The textbook covers fundamental principles of inorganic chemistry.