對頂角 [对顶－]

Jyutping deoi3 ding2 gok3
Pinyin duì dǐng jiǎo

Definitions (Kaifangcidian)

（沒有對應漢語詞彙）

對頂角 [对顶－]

Jyutping deoi3 deng2 gok3
Pinyin duì dǐng jiǎo

Definitions (CC-CEDICT)

angle to the vertical
angle (between two lines or two planes)