改かい良りょう

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Common wordJLPTN2Freq.FrequencyTop 10,000

改良する · noun or participle which takes 'suru'

Meanings

Making something better in quality, efficiency, or design; often used for products, systems, or methods.

〈物もの〉を改かい良りょうするto improve something (a product, method, etc.)
メーカーは製せい品ひんの性せい能のうを改かい良りょうした。
The manufacturer improved the product's performance.
〈物もの〉が改かい良りょうされるfor something to be improved
この道どう具ぐは使つかいやすいように改かい良りょうされた。
This tool has been improved to be easier to use.
改かい良りょうの余よ地ちがあるthere is room for improvement
このシステムにはまだ改かい良りょうの余よ地ちがある。
There is still room for improvement in this system.

改かい善ぜんN3
改良 focuses on refining a design or method to make it better, while 改善 is used when fixing a problem or shortcoming.
改かい革かくN2
改良 refers to incremental technical or design improvements, whereas 改革 means a large-scale reform of a system or organization.
向こう上じょうN2
改良 describes actively upgrading something's design or function, while 向上 describes a general rise in level or quality, often without a specific agent.
手て直なおし
改良 implies a deliberate improvement to make something better or more functional, while 手直し is a smaller, quicker correction rather than a real upgrade.

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品ひん種しゅ改かい良りょうN2
改良 means improvement in general (of any product or system), while 品種改良 specifically means improving plant or animal varieties through breeding.
改かい造ぞうN2
改良 means to improve something's quality or performance without necessarily changing its form, while 改造 involves actually altering its structure.

悪あっ化かN2
改良 means making something better, while 悪化 means a situation or condition getting worse.

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Compound of 改 (kai, 'change, revise') and 良 (ryō, 'good'). The combination conveys making something better through modification.