paineistettuun

Paineistettuun is a Finnish illative singular form of the past participle adjective paineistettu, meaning pressurized. The word is used to indicate movement toward or into a state or location that is pressurized, such as entering a pressurized space or device. In technical and instructional contexts, paineistettuun appears in phrases like paineistettuun tilaan or paineistettuun säiliöön.

Formation and meaning: Paineistettu derives from the verb paineistaa (to pressurize) and the suffix -ttu, forming a past participle adjective meaning “pressurized.” The illative singular suffix -uun attaches to the stem to yield paineistettuun, which conveys the sense of entering or being directed into a pressurized environment. Finnish illative forms are used to express direction toward a destination or state.

Usage: Paineistettuun is most common in technical language, safety standards, engineering, and manuals. It describes a target state or location that is pressurized, rather than a general characteristic. Examples include: Laite siirretään paineistettuun tilaan. (The device is moved into a pressurized space.) Säiliö asennetaan paineistettuun järjestelmään. (The tank is connected to a pressurized system.)

Related terms: Paineistus (pressurization), paineistaa (to pressurize), and the base adjective paineistettu. The illative form paineistettuun is part of a broader system of Finnish case and participle-inflected forms used to describe movement toward or state changes in technical contexts.

See also: Paineistus, Paineistaa, Illatiivi and other Illative forms in Finnish grammar.