| zhēng | first month of the lunar year |
| zhèng | straight/upright/proper/main/principal/to correct/to rectify/exactly/just (at that time)/right (in that place)/(math.) positive |
| 正 | first month of the lunar year |
| 正丁醚 | butyl ether |
| 正三角形 | regular triangle; equilateral triangle |
| 正丙烯基 | [Chemistry] N-allylnormetazocine |
| 正业 | one's regular job |
| 正中 | middle center right in the middle or center |
| 正中下怀 | exactly as one wishes or hopes for |
| 正中心 | true centric |
| 正中的 | midmost; middlemost; median; mesal; mesial |
| 正中要害 | to hit the nail on the head (idiom) |
| 正中面的 | mesien |
| 正义 | justice righteous righteousness |
| 正义党 | Justicialist Party |
| 正义感 | sense of righteousness; feeling of justice |
| 正义斗争 | righteous struggle |
| 正书 | regular script |
| 正事 | one's proper business |
| 正五边形 | regular pentagon |
| 正交 | orthogonality |
| 正交偏振 | orthogonal polarization; crossed nicols; cross-polarization |