| 正确 | zhèng què | correct; proper |
| 正 | zhēng | first month of the lunar year |
| 正 | zhèng | just (right); main; upright; straight; correct; positive; greater than zero; principle |
| 正在 | zhèng zài | in the process of (doing something or happening); while (doing) |
| 正常 | zhèng cháng | regular; normal; ordinary |
| 正式 | zhèng shì | formal; official |
| 正义 | zhèng yì | justice; righteous; righteousness |
| 正如 | zhèng rú | just as; precisely as |
| 正方形 | zhèng fāng xíng | square |
| 正是 | zhèng shì | (emphasizes that sth is precisely or exactly as stated); precisely; exactly; even; if; just like; in the same way as |
| 正当 | zhèng dāng | honest; reasonable; fair; sensible; timely; just (when needed) |
| 正好 | zhèng hǎo | just (in time); just right; just enough; to happen to; to chance to; by chance; it just so happens that |
| 正面 | zhèng miàn | front; obverse side; right side; positive; direct; open |
| 正比 | zhèng bǐ | direct ratio; directly proportional |
| 正弦 | zhèng xián | sine (of angle), written sin θ |
| 正数 | zhèng shù | positive number |
| 正切 | zhèng qiē | tangent (of angle), written tan θ |
| 正电 | zhèng diàn | positive charge (electricity) |
| 正反 | zhèng fǎn | positive and negative; pros and cons; inside and outside |
| 正统 | zhèng tǒng | orthodox; Zhengtong Emperor, reign name of sixth Ming Emperor Zhu Qizhen 朱祁镇 (1427-1464), reigned 1435-1449, Temple name Yingzong 英宗 |
| 正中 | zhèng zhōng | middle; center; right in the middle or center; nub |
| 正经 | zhèng jīng | decent; honorable; proper; serious; according to standards |
| 正经 | zhèng jing | decent; honorable; proper; serious; according to standards |
| 正负 | zhèng fù | positive and negative |
| 正月 | zhēng yuè | first month of the lunar year |
| 正极 | zhèng jí | positive pole |
| 正比例 | zhēng bǐ lì | direct proportionality |
| 正直 | zhèng zhí | upright; upstanding; honest |
| 正规 | zhèng guī | regular; according to standards |
| 正弦波 | zhèng xián bō | sine wave; simple harmonic vibration |
| 正气 | zhèng qì | healthy environment; healthy atmosphere; righteousness; vital energy (in Chinese medicine) |
| 正交 | zhèng jiāo | orthogonality |
| 正视 | zhèng shì | to face squarely; to meet head on; to face up to |
| 正投影 | zhèng tóu yǐng | orthogonal projection |
| 正多面体 | zhèng duō miàn tǐ | regular polyhedron |
| 正法 | zhèng fǎ | to execute; the law |
| 正离子 | zhèng lí zǐ | positive ion (physics) |
| 正名 | zhèng míng | official name; proper title; to attain a formal title |
| 正方体 | zhèng fāng tǐ | a rectangular parallelepiped |
| 正弦定理 | zhèng xián dìng lǐ | law of sines |
| 正文 | zhèng wén | main text (as opposed to footnotes); main body (of a book) |
| 正规军 | zhèng guī jūn | regular army; standing army |
| 正午 | zhèng wǔ | midday; noon; noonday |
| 正派 | zhèng pài | upright |
| 正点 | zhèng diǎn | on time; punctual (of train etc); awesome (slang) |
| 正割 | zhèng gē | secant (of angle), written sec θ |
| 正号 | zhèng hào | positive value sign + (math.); plus sign |
| 正德 | Zhèng Dé | Zhengde Emperor, reign name of eleventh Ming emperor Zhu Houzhao 朱厚照 (1491-1521), reigned 1505-1521, Temple name 明武宗 |
| 正轨 | zhèng guǐ | the right track |
| 正定 | Zhèng dìng | Zhengding county in Shijiazhuang 石家庄, Hebei |
