| 正 | zhēng | Chinese 1st month of year | |
| 正電子 | 正电子 | zhēng diàn zi | positron (antiparticle of the electron) |
| 正文 | zhēng wén | main text (as opposed to footnotes); main body (of a book) | |
| 正月 | zhēng yuè | (n) first month of the lunar new year | |
| 正 | zhèng | just (right); main; upright; straight; correct; principle | |
| 正安 | Zhèng ān | (N) Zheng'an (place in Guizhou) | |
| 正比 | zhèng bǐ | (n) in direct proportion; directly related | |
| 正常 | zhèng cháng | regular; normal; ordinary | |
| 正常工作 | zhèng cháng gōng zuò | normal operation; proper functioning | |
| 正常化 | zhèng cháng huà | normalization (of diplomatic relations, etc) | |
| 正當 | 正当 | zhèng dāng | timely; well-timed; just when (needed) |
| 正當防衛 | 正当防卫 | zhèng dāng fáng wèi | self-defense (theory) |
| 正德 | Zhèng dé | Shotoku | |
| 正電子發射斷層照相術 | 正电子发射断层照相术 | zhèng diàn zǐ fā shè duàn céng zhào xiāng shù | positron emission tomography (PET) |
| 正定 | Zhèng dìng | (N) Zhengding (place in Hebei) | |
| 正多邊形 | 正多边形 | zhèng duō biān xíng | regular polygon |
| 正顎手術 | 正颚手术 | zhèng è shǒu shù | orthognathic surgery |
| 正方形 | zhèng fāng xíng | square | |
| 正鋒 | 正锋 | zhèng fēng | frontal attack (brush movement in painting) |
| 正規 | 正规 | zhèng guī | (adj) regular; according to standards |
| 正規系統 | 正规系统 | zhèng guī xì tǒng | formal system |
| 正好 | zhèng hǎo | just (in time); just right; just enough; to happen to; to chance to; by chance; it just so happens that | |
| 正呼腸孤病毒屬 | 正呼肠孤病毒属 | zhèng hū cháng gū bìng dú shǔ | orthoreovirus |
| 正火 | zhèng huǒ | normalization | |
| 正交 | zhèng jiāo | orthogonality | |
| 正交多項式 | 正交多项式 | zhèng jiāo duō xiàng shì | orthogonal polynomials |
| 正經 | 正经 | zhèng jing | (adj) decent; proper; (adj) serious; (adj) according to standards |
| 正蘭旗 | 正兰旗 | Zhèng lán qí | (N) Zhenglanqi (place in Inner Mongolia) |
| 正門 | 正门 | zhèng mén | the formal entrance, main gate (to a university, etc.); portal |
| 正面 | zhèng miàn | front; positive; direct; open | |
| 正寧 | 正宁 | Zhèng níng | (N) Zhengning (place in Gansu) |
| 正氣 | 正气 | zhèng qì | (n) healthy environment; healthy atmosphere |
| 正巧 | zhèng qiǎo | (adv) just by chance; happen to | |
| 正確 | 正确 | zhèng què | correct; proper |
| 正如 | zhèng rú | be just like | |
| 正式 | zhèng shì | formal; official | |
| 正式投票 | zhèng shì tóu piào | formal vote | |
| 正統 | 正统 | zhèng tǒng | orthodox |
| 正午 | zhèng wǔ | midday; noon; noonday | |
| 正五聚蛋白 | zhèng wǔ jù dàn bái | pentraxins | |
| 正弦定理 | zhèng xián dìng lǐ | law of sines | |
| 正鑲白旗 | 正镶白旗 | Zhèng xiāng bái qí | (N) Zhengxiangbai qi (place in Inner Mongolia) |
| 正陽 | 正阳 | Zhèng yáng | (N) Zhengyang (place in Henan) |
| 正義 | 正义 | zhèng yì | justice; righteous; righteousness |
| 正義黨 | 正义党 | Zhèng yì dǎng | Justicialist Party |
| 正義戰爭 | 正义战争 | zhèng yì zhàn zhēng | just war |
| 正在 | zhèng zài | in the process of (doing something or happening); while (doing) | |
| 正在中國訪問 | 正在中国访问 | zhèng zài Zhōng guó fǎng wèn | during a trip to China |
| 正則系綜 | 正则系综 | zhèng zé xì zōng | canonical ensemble |
| 正值 | zhèng zhí | honest; upright | |
| 正直 | zhèng zhí | upright; upstanding; honest | |
| 正治 | Zhèng zhì | Shoji | |
| 正中 | zhèng zhōng | Shochu (Japanese era) | |
| 正字法規則 | 正字法规则 | zhèng zì fǎ guī zé | orthographic rule |
| 正字法階段 | 正字法阶段 | zhèng zì fǎ jiē duàn | orthographic stage |
| 正字法空間 | 正字法空间 | zhèng zì fǎ kōng jiān | orthographic space |
| 正字法模式 | zhèng zì fǎ mó shì | orthographic pattern |