低減（ていげん、teigen）
- decrease

The Japanese word 低減 (ていげん) means "reduction," "decrease," or "alleviation." It refers to the action of making something smaller, less, or weaker. It implies a lessening of something, often something negative like a problem, risk, or amount. The scope of this word is broad, and it can be applied to various contexts, such as reducing the price of goods, mitigating environmental pollution, or decreasing one's stress levels. The word typically implies a planned or intentional diminishment, rather than a spontaneous or accidental one. The word 低減 can be used as a noun or as a suru-verb, adding more nuance to its usage. In the form of a verb, it describes the action of 低減ing something, while as a noun, it simply represents the state or process of reduction.

⚫︎コストの低減 Translation: Cost reduction ⚫︎リスクを低減する Translation: To reduce risk ⚫︎環境への負荷の低減 Translation: Reduction of environmental impact

You can use 低減 in formal and informal situations, though it is slightly more common in formal contexts like business meetings or scientific reports. ⚫︎When used as a noun, the particle の is often used to connect the noun form of 低減 to what is being reduced, for example, “cost reduction” コストの低減. ⚫︎When used as a suru-verb (低減する), it directly follows the object being reduced, such as “to reduce the pollution” 汚染を低減する. ⚫︎It's a versatile term suitable for discussing improvements, efficiencies, or any situation where a decrease is desired or achieved.

The word 低減 is typically written in kanji 低減. ⚫︎The reading is ていげん (hiragana). ⚫︎There are no other common ways to write this word. ⚫︎The okurigana (送りがな) is part of the verb conjugation. - 低減する (teigen suru): to reduce - 低減された (teigen sareta): was reduced - 低減しない (teigen shinai): not reduce

⚫︎ 削減 (saku gen): reduction, cut (often used for numbers or amounts) ⚫︎ 減少 (genshou): decrease, reduction (general term) ⚫︎ 軽減 (keigen): alleviation, mitigation (especially used for easing pain or burden) ⚫︎ 削減する (sakugen suru): to reduce, to cut down ⚫︎ 減らす (herasu): to reduce, to decrease (more general and common verb)

⚫︎ 増加 (zouka): increase ⚫︎ 増やす (fuyasu): to increase ⚫︎ 拡大 (kakudai): expansion, enlargement ⚫︎ 上昇 (joushou): rise, increase

政府は環境汚染を低減するために、新しい規制を導入しました。 ・Translation: The government introduced new regulations to reduce environmental pollution. ・Explanation: This sentence demonstrates how 低減 (低減する) is used to describe the action of reducing something, in this case, environmental pollution.

このプロジェクトの目的は、コストの低減と効率の向上です。 ・Translation: The purpose of this project is the reduction of costs and the improvement of efficiency. ・Explanation: This sentence shows the use of the noun form, 低減 (低減) paired with の to indicate what is being reduced (costs).

低 (tei) means "low" or "decrease." 減 (gen) means "reduce" or "diminish." The combination of these two kanji, 低減 (低減), literally means "to make lower" or "to decrease," thus forming the concept of reduction or decrease.