mes- 複合詞 正中,中間,中位,內消旋,新
Mes- See Meso-. ◄ ►
Mes·o- Mes-. 1. A combining form denoting in the middle, intermediate. 2. specif. Chem., Denoting a type of hydrocarbons which are regarded as methenyl derivatives. Also used adjectively. ◄ ►