How to say "segmentation" in Japanese
Choosing the right word
- 区分くぶんnoun, suru verb, transitive verbThe everyday choice for dividing something into sections or categories. Covers segmentation in the general sense of partitioning data, customers, or space into distinct parts; not a technical term.
- nounThe loanword used mainly in technical fields such as computing and marketing for segmentation as a specialized process. Less common than 区分 and unnecessary in ordinary contexts.
- セグメント化セグメントかnoun, suru verbA nativized alternative to the loanword, treating segmentation as an act of turning something into segments. Also belongs to technical contexts such as computing and marketing; less common than 区分.
- 卵割らんかつnounThe embryology term for cleavage, the division of a fertilized egg into cells, which is also called segmentation in biology. Seldom what you want outside that specialized scientific sense.
- 細分化さいぶんかnoun, suru verbEmphasizes subdividing something into smaller, finer pieces; segmentation in the sense of further fragmentation of an already existing whole. Suited to analyses that break things down in detail.
Use 区分 for general division into sections, 「セグメンテーション」 or 「セグメント化」 in technical contexts such as computing and marketing, 細分化 for breaking something into finer parts, and 卵割 only for biological cleavage of an embryo.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese equivalents
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