効果

kōka

effect

この薬は効果が速いです。

This medicine works quickly.

general

The result or effect of an action, treatment, or event.

その広告の効果は明らかだった。

The effect of that advertisement was obvious.

Commonly used in both formal and informal contexts.

Medicine

technical

In medicine, the therapeutic effect or benefit of a treatment.

この新薬の効果は臨床試験で確認された。

The efficacy of this new drug was confirmed in clinical trials.

Often used in medical and pharmaceutical contexts.

Collocations

to increase effectiveness

to show results

'効果' is often used with verbs like '発揮する' (to take effect) or '上げる' (to increase).

In medical contexts, '効果' often refers to the therapeutic effect of a treatment.

From Middle Chinese 'kwa̍k-ká' (effect, efficacy), composed of 'kwa̍k' (effect) and 'ká' (to act).

In modern Japanese, '効果' is often used in both general and technical contexts, particularly in medicine and advertising.

効

effect, efficacy

root

果

result, fruit

root

和英辞典