紅外線 Save Sign in to save words Simplified: 红外线 hóngwàixiàn ㄏㄨㄥˊ ㄨㄞˋ ㄒㄧㄢˋ infrared ray Character by character 紅(hóng)surname Hong 外(wài)outside 線(xiàn)thread A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0