Kompleksiset
Kompleksiset is a Finnish adjective form meaning complex or complicated, and it is the plural form used to modify plural nouns. It is a regular inflection of the adjective kompleksinen, which in turn is derived from the international word complex and adapted into Finnish as kompleksi (noun) and kompleksinen (adjective). In grammatical terms, kompleksinen has the basic forms: singular nominative kompleksinen, plural nominative kompleksiset; genitive forms kompleksisen (singular) and kompleksisten (plural); partitive forms kompleksista (singular) and kompleksisia (plural). The form kompleksiset is commonly seen in everyday and technical language when describing multiple items.
In mathematics and related disciplines, kompleksiset luvut translates to complex numbers, a standard term in Finnish
Kolmility as a concept is not implied; komplexinen is distinct from monimutkainen, the more everyday Finnish