[线]

Jyutping zim6 kan5 sin3
Pinyin jiàn jìn xiàn

Definitions (Wiktionary)
  1. noun
    asymptote

[线]

Jyutping zim6 gan6 sin3
Pinyin jiàn jìn xiàn

Definitions (粵典–words.hk)
  1. 名詞
    如果​一條​曲線​同​另​一條​直​線​嘅​距​離​無​限​趨​近​於​零​,​咁​條直線​就​稱​為​嗰​條​曲​線​嘅​漸​近​線​(​量​詞​:​條​)
    asymptote

漸近線 [渐-线]

Jyutping
Pinyin jiàn jìn xiàn

Definitions (CC-CEDICT)
  1. (math.) asymptote