What does homogeneity mean?
Homogeneity is the quality of being uniform, consistent, or alike in composition or character. A homogeneous group has members with broadly similar backgrounds, characteristics, or experiences, while a homogeneous material is evenly composed throughout. The word is especially common in academic, social-scientific, and technical contexts, where it can describe the distribution of properties in a population or the structure of a substance. It can also be used more generally to discuss cultural, political, or social uniformity. Although homogeneity suggests consistency, it is not always approving: in discussions of social groups or institutions, it may imply the exclusion of difference or variety. The related adjective homogeneous is used directly before a noun, as in “a homogeneous society” or “a homogeneous mixture.”
nounThe quality of being uniform or alike in composition, structure, or character. It refers to a group or substance whose parts are similar or evenly distributed.
- The state of being uniform, alike, or evenly composed throughout.
"The homogeneity of the alloy gave the finished surface an unusually smooth appearance."
"The researchers measured the homogeneity of the samples before comparing their properties."
"Critics argued that the policy threatened the cultural homogeneity of the region."
The plural is rare but regular; singular forms are much more common.
"The study compared the homogeneities of several urban and rural communities."
A perfectly homogeneous material is uniform all the way through, unlike a mixture whose components remain visibly distinct.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does homogeneity come from?
Homogeneity comes from Medieval Latin homogenitas, a noun derived from Greek homos, meaning “same,” and genos, meaning “kind” or “origin.” The English form entered use in the early 17th century, originally referring chiefly to similarity of kind or composition. Its relatives include homogeneous, “alike or uniform in nature,” and homogenize, “to make uniform,” both based on the same Greek roots.
Related word forms
How homogeneity is actually used
Usually used in formal or academic writing, especially for describing the composition, structure, or character of a group, material, or system. It is often contrasted with heterogeneity.
Easily confused with homogeneity
Homogeneity is a noun meaning the quality of being uniform, whereas homogeneous is an adjective describing something whose parts are alike.