effectiveness noun

ADJ. overall | limited | operational, organizational, practical | educational, military, political | cost This hard-wearing material combines cost effectiveness with quality.

VERB + EFFECTIVENESS assess, check, determine, evaluate, judge, measure, monitor, test | demonstrate The exam results demonstrated the effectiveness of personal tuition. | enhance, improve, increase, maximize | destroy, impair, limit, reduce | lose The drugs work well at first but gradually lose their effectiveness.

PREP. ~ as They're doing tests to evaluate the effectiveness of this herb as an antiseptic. | ~ in the effectiveness of penicillin in controlling bacterial infection

You can also check Google Dictionary: effectiveness (English, 中文解释 )

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