ruuvin

Ruuvin is the genitive singular form of the Finnish noun ruuvi, meaning screw. In Finnish, genitive forms express possession or association, so ruuvin translates to “the screw’s” or “of the screw.”

In everyday and technical use, ruuvin occurs in phrases that describe characteristics, parts, or actions related to screws. Examples include ruuvin pää (the screw head), ruuvin kiinnitys (the act or method of fastening with a screw), and ruuvin pituus (the screw length). Because Finnish relies on case endings rather than prepositions for possession, ruuvin is a common building block in technical writing, assembly instructions, and hardware discussions.

Etymology and language notes: ruuvi is a native Finnic word for a screw or fastener with a helical thread, and the genitive singular is formed with the suffix -n. The form ruuvin is primarily a grammatical variant used inside noun phrases; it is not usually a standalone noun in ordinary speech beyond indicating possession.

Context and scope: ruuvi assemblage appears across contexts involving mechanical fastening, construction, furniture assembly, and manufacturing. While the base word ruuvi covers the concept of a screw, ruuvin specifically signals ownership or association within a phrase, such as describing a part of a device or a specification related to a screw.

See also: ruuvi (screw), ruuvit (plural), ruuvin kiinnitys and other compound forms common in Finnish technical vocabulary.