正
zhèng
I s.v.
straight; upright
II b.f.
1) centralstandard; standardized (正房, 正体)
2) a) exact; due; sharp b) principal; chief (正午)
正副主任 director and deputy director
3) a) obverse; right; recto b) rectify; correct (正面, 纠正)
4) a) pure; unmixed (of flavors/etc.) b) carry out (a sentence) (纯正)
5) correct; orthodox (正当)
6) main; fundamental (正文)
7) phy. positive; plus (正电)
8) math. positive
9) honest; upright (正直)
10) just; unbiased (正义)
III v.
set/put right
IV adv.
1) precisely; punctually
2) just; just now
V pref.
regular
正六边形 regular hexagon