ulkokäyttöisten
Ulkokäyttöisten is a Finnish inflected form of the adjective ulkokäyttöinen, meaning “for outdoor use” or “outdoor-use.” It is not a standalone noun but part of a larger noun phrase used to indicate that a device, product, or material is suitable for use outside.
In Finnish, adjectives decline to agree with the noun they modify in number and case. Ulkokäyttöinen becomes
Usage and context are predominantly commercial, technical, and regulatory. The term is found in product descriptions,
Etymology and relation to Finnish word formation are straightforward: ulko means “outside,” käyttö means “use,” and