A1 noun Neutre

reduction

/rɪˈdʌk.ʃən/

A reduction is when something becomes smaller in size, amount, or importance. In science, it can also mean a chemical reaction where a substance gains electrons.

Exemples

3 sur 5
1

There is a big reduction in the price of these shoes.

There is a big reduction in the price of these shoes.

2

The government aims for a significant reduction in plastic waste.

The government aims for a significant reduction in plastic waste.

3

I'm looking for a price reduction before I buy it.

I'm looking for a price reduction before I buy it.

Famille de mots

Nom
reduction
Verb
reduce
Adverbe
reducibly
Adjectif
reduced
Apparenté
reducer
💡

Astuce mémo

Think of 'RE-DUCE' as 'RE-DO-SIZE'—making the size smaller again.

Quiz rapide

The shop is offering a 20% ____ on all summer clothes.

Correct !

La bonne réponse est : reduction

Exemples

1

There is a big reduction in the price of these shoes.

everyday

There is a big reduction in the price of these shoes.

2

The government aims for a significant reduction in plastic waste.

formal

The government aims for a significant reduction in plastic waste.

3

I'm looking for a price reduction before I buy it.

informal

I'm looking for a price reduction before I buy it.

4

The study observed a reduction in oxygen levels over time.

academic

The study observed a reduction in oxygen levels over time.

5

The manager proposed a reduction in office expenses.

business

The manager proposed a reduction in office expenses.

Famille de mots

Nom
reduction
Verb
reduce
Adverbe
reducibly
Adjectif
reduced
Apparenté
reducer

Collocations courantes

price reduction price reduction
cost reduction cost reduction
significant reduction significant reduction
waste reduction waste reduction
risk reduction risk reduction

Phrases Courantes

reduction in force

reduction in force (layoffs)

data reduction

data reduction

carbon reduction

carbon reduction

Souvent confondu avec

reduction vs deduction

Deduction is taking away a specific amount (like taxes) or using logic, while reduction is making something smaller in general.

📝

Notes d'usage

Use 'reduction' followed by the preposition 'in' to describe what is getting smaller (e.g., 'reduction in speed'). It is common in both daily life (sales) and science (chemical reactions).

⚠️

Erreurs courantes

Learners often use 'reduction of' when 'reduction in' is more common for describing a decrease in a quality or amount.

💡

Astuce mémo

Think of 'RE-DUCE' as 'RE-DO-SIZE'—making the size smaller again.

📖

Origine du mot

From the Latin 'reducere', which means to lead back or bring back.

Modèles grammaticaux

Countable or uncountable noun Plural: reductions Often used with 'a' or 'the'

Quiz rapide

The shop is offering a 20% ____ on all summer clothes.

Correct !

La bonne réponse est : reduction

Plus de mots sur science

logarithm

A1

A logarithm is a mathematical value that represents the power to which a fixed number, called the base, must be raised to produce a given number. It is essentially the inverse operation of exponentiation, commonly used to simplify complex calculations in science and engineering.

trigonometry

A1

Trigonometry is a branch of mathematics that studies the relationships between the lengths and angles of triangles. It is used to find unknown measurements in shapes and is essential in fields like physics and engineering.

fraction

A1

A fraction is a small part or amount of something larger. In mathematics, it is a way to show a number that is not a whole number, such as 1/2 or 3/4.

integer

A1

An integer is a whole number that does not have a fraction or a decimal part. It can be a positive number, a negative number, or zero.

microscope

A1

A scientific tool used to see very small objects that are not visible to the naked eye. It uses special lenses to make tiny things like cells or bacteria look much larger.

oxygen

A1

A gas with no color, taste, or smell that is necessary for all human and animal life. It makes up about 21 percent of the Earth's atmosphere and is essential for the process of breathing.

hydrogen

A1

Hydrogen is a chemical element that is the lightest and most common gas in the universe. It has no color or smell and combines with oxygen to make water (H2O).

nitrogen

A1

Nitrogen is a colorless and odorless gas that makes up most of the Earth's atmosphere. It is a chemical element that is essential for all living things to grow, especially plants.

polymer

A1

A polymer is a large molecule made of many smaller units that are connected in a long chain. These materials can be natural, like rubber or wood, or synthetic, like plastic and nylon.

prime number

A1

A prime number is a whole number greater than 1 that cannot be made by multiplying other whole numbers. It can only be divided evenly by itself and the number 1.

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