homogeneous

Consisting of parts or elements that are all the same kind; uniform in structure or composition.

• homogeneity/ˌhɒmədʒɪˈniːɪti/(n)同质性
• homogenize/həˈmɒdʒɪnaɪz/(v)使均匀

• homogeneous group
• homogeneous mixture
• culturally homogeneous
• homogeneous society
• relatively homogeneous

1. 1.Japan is often described as a relatively homogeneous society in terms of ethnicity and culture. (uniform)
2. 2.A homogeneous mixture looks the same throughout — you can't see the individual components. (chemistry)

• uniform/ˈjuːnɪfɔːrm/— the same throughout
• consistent/kənˈsɪstənt/— unchanging
• identical/aɪˈdɛntɪkl/— exactly the same

from Greek "homogenes" — "homos" (same) + "genos" (kind, race)