usability

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the quality of being able to provide good service
• Syn:
serviceability, serviceableness, usableness, useableness
• Derivationally related forms:
useable (for: useableness), serviceable (for: useableness), usable (for: usableness), serviceable (for: serviceableness), serviceable (for: serviceability)
• Hypernyms:
utility, usefulness