이질성이 · 이질성을
heterogeneity, difference, foreignness
Example
오랜 분단으로 남북한 사이에 이질성이 커졌습니다.
The long division has widened the differences between North and South Korea.
Word parts
이 different+질 nature+성 quality
Literally 'different-nature quality'.
Good to know
Pronounced [이질썽]; after ㄹ, the suffix -성 is tensed.
Related words