閉源 Save Sign in to save words Simplified: 闭源 bìyuán ㄅㄧˋ ㄩㄢˊ closed-source computing Character by character 閉(bì)close 源(yuán)root Other words read bìyuán biyuan with other tones 鼻淵 A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0