Last Updated：2025/11/20

The specific compound in a natural or man-made mixture that is responsible for the mixture's activity.

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active ingredient

Source Word

active ingredient

The specific compound in a natural or man-made mixture that is responsible for the mixture's activity.

Japanese Meaning

混合物の働きや効果を引き起こす特定の化合物 / 自然または人工的な混合物において、活性（効果）を発現させる主要な成分

Before prescribing the remedy, the clinician confirmed that the active ingredient was safe for the patient's condition.

治療薬を処方する前に、臨床医はその薬の有効成分が患者の状態にとって安全であることを確認した。

Sense（1）

The specific compound in a natural or man-made mixture that is responsible for the mixture's activity.

active ingredients

（ plural ）