homogeneous

adj

The group of students in the class is homogeneous.

意味（1）

Of the same kind; alike, similar.

意味（2）

Having the same composition throughout; of uniform make-up.

Their citizens were not of homogeneous origin, but were from all parts of Greece.

意味（3）

(chemistry) In the same state of matter.

意味（4）

(mathematics) Of which the properties of a smaller set apply to the whole; scalable.

The function f(x,y)=x²+y² is homogeneous of degree 2 because f(𝛼x,𝛼y)=𝛼²f(x,y).