红外 Traditional 紅外 hóng wài 🔊 infrared (ray) + Review this word Meanings hóng wài 紅外 infrared (ray) Its characters 红hóngredHSK 5外wàioutsideHSK 1 Words with 红外 红外线 hóng wài xiàn infrared ray 红外光谱 hóng wài guāng pǔ infrared spectrum