noun
usability test; fitness-for-use test
Technical term in computing and software engineering for evaluating how well a product meets user needs and is easy to use.
新しいアプリの使用性試験を来週実施する予定です。
We plan to conduct a usability test for the new app next week.
Compound of 使用性 (usability) and 試験 (test), likely a calque from English 'usability test'.