poikittaissuuntaisiin
Poikittaissuuntaisiin is a Finnish technical term that refers to directions that are transverse to a defined reference axis. The base noun is poikittaissuunta, meaning a transverse direction, formed from poikittainen (transverse, crosswise) and suunta (direction). The inflected form poikittaissuuntaisiin appears in formal or technical prose to indicate directions associated with the transverse plane, depending on the grammatical context.
The term is used in disciplines such as mechanical engineering, materials science, structural engineering, biomechanics, and
In everyday Finnish, the adverbial form poikittaissuuntaisesti (‘transversely’) is more common for describing actions or measurements,
See also: poikittain, poikittaissuuntaisesti, longitudinaalisuunta.