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性能 (せいのう) Japanese meaning | Kotomora
Common word JLPT N2 Freq. Frequency Top 5,000 Meanings 1
noun
performance ; capability ; efficiency
Refers to the measurable ability or performance of a machine, device, system, or material. Often used in technical specifications, comparisons, and evaluations.
ねんぴせいのう
が
向こう
上じょう
し
た
。
The new engine has improved fuel efficiency.
Similar words 能のう 力りょく 能力 refers to innate or acquired ability of a person or living thing, while 性能 is used for the measurable performance of machines, devices, or systems.
機き 能のう 機能 means 'function' or 'feature' – what something does. 性能 is about how well it does it (efficiency, speed, quality).
Etymology Compound of 性 (せい, 'nature, property') and 能 (のう, 'ability, function'). The combination straightforwardly yields 'performance characteristics' or 'capability'.
