| 1 | 弧 | 弧 | hú | hu2 | arc | | |
| 2 | 弧光灯 | 弧光燈 | hú guāng dēng | hu2 guang1 deng1 | arc lamp | | |
| 3 | 圆弧 | 圓弧 | yuán hú | yuan2 hu2 | arc of a circle; circular arc | | |
| 4 | 余弧 | 餘弧 | yú hú | yu2 hu2 | complementary arc | | |
| 5 | 同轴圆弧 | 同軸圓弧 | tóng zhóu yuán hú | tong2 zhou2 yuan2 hu2 | coaxial circular arc; concentric arc (in spherical geometry) | | |
| 6 | 桃弧棘矢 | 桃弧棘矢 | táo hú jí shǐ | tao2 hu2 ji2 shi3 | to avert evil influences (idiom) | | |
| 7 | 群岛弧 | 群島弧 | qún dǎo hú | qun2 dao3 hu2 | island arc (geology) | | |
| 8 | 括弧里 | 括弧裡 | kuò hú lǐ | kuo4 hu2 li3 | in parentheses | | |
| 9 | 括弧 | 括弧 | kuò hú | kuo4 hu2 | parenthesis | | |
| 10 | 弧形 | 弧形 | hú xíng | hu2 xing2 | curve; arc; arch | | |
| 11 | 弧线长 | 弧線長 | hú xiàn cháng | hu2 xian4 chang2 | arc length; length of a curve segment | | |
| 12 | 弧线 | 弧線 | hú xiàn | hu2 xian4 | arc | | |
| 13 | 大括弧 | 大括弧 | dà kuò hú | da4 kuo4 hu2 | square brackets | | |
| 14 | 弧光 | 弧光 | hú guāng | hu2 guang1 | arc light | | |
| 15 | 弧度 | 弧度 | hú dù | hu2 du4 | radian; arc; curve; curvature | | |
| 16 | 弧长参数 | 弧長參數 | hú cháng cān shù | hu2 chang2 can1 shu4 | parametrization by arc length (of a space curve) | | |
| 17 | 弧长 | 弧長 | hú cháng | hu2 chang2 | arc length (the length of a curve segment) | | |
| 18 | 反射弧 | 反射弧 | fǎn shè hú | fan3 she4 hu2 | reflex arc | | |
| 19 | 电弧焊 | 電弧焊 | diàn hú hàn | dian4 hu2 han4 | electric arc welding | | |
| 20 | 电弧 | 電弧 | diàn hú | dian4 hu2 | electric arc | | |
| 21 | 岛弧 | 島弧 | dǎo hú | dao3 hu2 | island arc (geology); forearc | | |