Keskireunan
Keskireunan is a Finnish term whose literal meaning is “central boundary” or “mid-edge.” It appears primarily in Finnish-language sources and does not correspond to a single, widely adopted concept in international technical vocabularies. Consequently, its precise meaning varies by field and author.
In geometry and mathematical pedagogy, keskireunan is used informally to refer to a line or boundary that
In geography and urban planning, keskireunan may describe a boundary that marks the urban core or central
In textiles and manufacturing, the term can refer to a seam or fold running along the centerline
Because keskireunan is not a standardized technical term, it is typically defined explicitly when it appears