noun, noun which may take the genitive case particle 'no'
functionality
Refers to the quality of being functional, practical, or designed for use rather than decoration. Often used in product descriptions, design, and technical contexts.
This bag is made with an emphasis on functionality.
We use highly functional materials.
functional food
functional drink; functional beverage
functional polymer
food with function claims; food labeled with claimed function
functional dyspepsia
Compound of 機能 (function) + 性 (nature, quality). A straightforward modern coinage.