界かい面めん

noun, noun which may take the genitive case particle 'no'

interface

Refers to the boundary or surface where two different phases or systems meet, used in both physical science and abstract contexts such as technology or social interaction.

• 油あぶらと水みずの界かい面めんに膜まくができる。

  A film forms at the interface between oil and water.

• このソフトウェアはユーザー界かい面めんが直ちょっ感かん的てきだ。

  This software has an intuitive user interface.