dichotomy [dʌɪˈkɒtəmi, dɪ-] (pl. -ies) [usu. in sing.]
a division or contrast between two things that are or are represented as being opposed or entirely different (对立或完全不同事物间的)区分;区别;对立 a rigid dichotomy between science and mysticism. 科学和神秘主义之间的严格区分。 ■[mass noun](Botany)repeated branching into two equal parts (植)二歧式;二叉分枝式;二歧分枝,二歧
派生 dichotomic [-kəˈtɒmɪk] adjective 语源
late 16th cent.: via modern Latin from Greek dikhotomia, from dikho- 'in two, apart' + -tomia (see -tomy)