非線性光學 Save Sign in to save words Simplified: 非线性光学 fēixiànxìngguāngxué ㄈㄟ ㄒㄧㄢˋ ㄒㄧㄥˋ ㄍㄨㄤ ㄒㄩㄝˊ nonlinear optics (physics) Character by character 非(fēi)not be 線(xiàn)thread 性(xìng)nature 光(guāng)light 學(xué)learn A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0