om·ni·di·rec·tion·al /ˌɑmnɪdəˈrɛkʃnəl, ˌnaɪ, (ˌ)daɪ, ʃənḷ/ (a.)全方向的
omnidirectional 全向
omnidirectional adj : not directional; "omnidirectional antenna" [ant: directional]