Please enable javascript to use dictionary! Howto enable javascript?
operational▼(of or relating to operations, especially military operations)adjective[UK: ˌɒ.pə.ˈreɪ.ʃnəl] [US: ˌɑː.pə.ˈreɪ.ʃə.nəl]
operating system▼(software which controls computer)noun[UK: ˈɒ.pə.reɪt.ɪŋ ˈsɪ.stəm] [US: ˈɑː.pə.ˌret.ɪŋ ˈsɪ.stəm]
↑