The construct state is a special, usually reduced form of a noun, which is used when the noun is possessed by another noun (Semitic) or is modified by an adjective or relative clause (Cushitic).
ðə kˈɑːnstɹʌkt stˈeɪt ɪz ɐ spˈɛʃəl, jˈuːʒuːəli ɹᵻdˈuːst fˈɔːɹm əvə nˈaʊn, wˌɪtʃ ɪz jˈuːzd wɛn ðə nˈaʊn ɪz pəzˈɛst baɪ ɐnˈʌðɚ nˈaʊn sɛmˈɪɾɪk ɔːɹ ɪz mˈɑːdᵻfˌaɪd baɪ ɐn ˈædʒɪktˌɪv ɔːɹ ɹˈɛlətˌɪv klˈɔːz kʊʃˈɪɾɪk.