hetkittäisten
Hetkittäisten is a Finnish term used primarily in technical or scholarly contexts to refer to entities or quantities related to moments or instantaneous states. The base adjective hetkittäinen means “instantaneous” or “momentary,” formed with the common Finnish suffix -inen. When used as a noun phrase, adjectives are inflected like other Finnish adjectives, and the genitive plural form is hetkittäisten, for example in phrases such as hetkittäisten suureiden arvojen muutokset, referring to changes in instantaneous quantities.
In practice, hetkittäisten appears most often in physics, mathematics, and philosophy where there is a need
Etymology and related forms: hetkittäinen is built from hetki (moment) with the -täinen suffix that yields an
See also: hetkellinen, instantaneous in physics and mathematics, presentism.