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📕 rednote ID(小红书号)：3881567312

Reduction Definition, Examples & Common Usage (2 meaning)

Meaning 1：decrease in size/amount (reduction)

reduction 🔊

/rɪˈdʌkʃən/

The act of making something smaller or less in amount, size, or degree.

Reduction in shopping cart size from bulky to compact packaging

decrease in size/amount 🔊

➕

/dɪˈkriːs ɪn saɪz əˈmaʊnt/

The process of making something smaller or less in quantity, size, or degree.

📁 Category：Diet & Health 🔖 Level：Intermediate

📘 Details & Usage

📖 Root Explanation

From Latin 'reductio', from 're-' (back) + 'ducere' (to lead). The suffix '-ion' forms a noun of action.

💡 Mnemonic

RE + DUCT + ION: 'RE' (back) + 'DUCT' (lead) = lead back to a smaller state. Imagine a large duct being compressed.

📖 Example

For better health, she started a reduction in her daily sugar intake. 🔊 For better health, she started a reduction in her daily sugar intake.

🔗 Collocations

cost reduction – The act of lowering expenses.

emission reduction – The act of decreasing the release of pollutants.

weight reduction – The process of making something lighter in weight.

🔄 Synonyms

decrease (n.) – The amount by which something becomes smaller.

diminution (n.) – A reduction in size, extent, or importance.

cutback (n.) – An act of reducing something, especially expenditure.

🚫 Antonyms

increase (n.) – An instance of becoming greater in size, amount, or degree.

expansion (n.) – The action of becoming larger or more extensive.

augmentation (n.) – The action or process of making something greater in size or amount.

🌱 Derivatives

reduce (v.) – To make smaller or less in amount, degree, or size.

reductive (adj.) – Tending to present a subject in simplified form.

reducibility (n.) – The quality of being capable of being reduced.

📖 Cultural Story

In medieval alchemy, 'reduction' referred to bringing a substance back to a simpler form. Today it is widely used in mathematics (fraction reduction), chemistry (oxidation-reduction), and retail (price reduction).

Meaning 2：price discount (reduction)

reduction 🔊

/rɪˈdʌkʃən/

An amount by which the usual price of something is made cheaper.

Reduction price tag with crossed out original and new lower price

price discount 🔊

➕

/praɪs dɪsˈkaʊnt/

An amount by which the original price of something is lowered, usually to attract buyers.

📁 Category：Social Economy 🔖 Level：Intermediate

📘 Details & Usage

📖 Example

During the Black Friday sale, there was a significant price reduction on all electronics. 🔊 During the Black Friday sale, there was a significant price reduction on all electronics.

🔗 Collocations

price reduction – A decrease in the selling price of an item.

tax reduction – A lowering of the amount of tax owed.

budget reduction – A cut in the planned expenditure.

🔄 Synonyms

discount (n.) – A deduction from the usual cost of something.

markdown (n.) – A reduction in the price of goods.

rebate (n.) – A partial refund to someone who has paid too much money.

🚫 Antonyms

increase (n.) – A rise in the amount or level of something.

surcharge (n.) – An additional charge or payment.

premium (n.) – An extra amount added to the standard price.

🌱 Derivatives

reduce (v.) – To make lower in price.

reduced (adj.) – Made lower in price; discounted.

reducing (adj.) – That causes a reduction.