Electronegativity is a chemical property that describes the tendency of an atom or a functional group to attract electrons (or electron density) towards itself.
ᵻlˌɛktɹoʊŋɡɐtˈɪvᵻɾi ɪz ɐ kˈɛmɪkəl pɹˈɑːpɚɾi ðæt dᵻskɹˈaɪbz ðə tˈɛndənsi əvən ˈæɾəm ɔːɹ ɐ fˈʌŋkʃənəl ɡɹˈuːp tʊ ɐtɹˈækt ᵻlˈɛktɹɑːnz ɔːɹ ᵻlˈɛktɹɑːn dˈɛnsᵻɾi təwˈɔːɹdz ɪtsˈɛlf.