in·pa·tient 
/ˈɪnˌpeɪʃənt/ noun
plural in·pa·tients /ˈɪnˌpeɪʃənt/ noun [count] medical : a patient who stays for one or more nights in a hospital for treatment — often used before another noun ▪ inpatient surgery [=surgery performed on inpatients] ▪ inpatient care/treatment — compare outpatient
