漸近線 Save Sign in to save words Simplified: 渐近线 jiànjìnxiàn ㄐㄧㄢˋ ㄐㄧㄣˋ ㄒㄧㄢˋ asymptote math. Character by character 漸(jiàn)gradual 近(jìn)near 線(xiàn)thread A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0