pystysuuntainen
Pystysuuntainen is a Finnish adjective meaning vertical or oriented in a vertical direction. It describes something that runs or is arranged from top to bottom rather than from left to right. The term is used across several domains, including geometry, design, architecture, textiles and information technology, to indicate vertical alignment or orientation.
In geometry and mathematics, pystysuuntainen viiva refers to a line that is parallel to the y-axis, i.e.,
Pystysuuntainen is often contrasted with vaakasuuntainen, which means horizontal or oriented left to right. The word