日本脑炎 Traditional form: 日本腦炎 Pinyin (reading): Rìběnnǎoyán Definitions: Japanese encephalitis Characters: 日 - sun; day; daytime 本 - root, origin, source; basis 脑 - brain 炎 - flame, blaze; hot Traditional characters: 日 - sun; day; daytime 本 - root, origin, source; basis 腦 - brain 炎 - flame, blaze; hot