B2 adverb Neutre

approximation

/əˌprɒk.sɪˈmeɪ.ʃən/

A value, representation, or result that is very close to the truth but not completely accurate or exact. It is frequently used in mathematics, science, and everyday life when precise figures are unknown or unnecessary.

Exemples

3 sur 5
1

The recipe's measurements are just an approximation, so you should adjust them based on your personal taste.

The quantities in the cooking instructions are estimates rather than exact weights, allowing for personal adjustments.

2

The committee requested a close approximation of the total costs involved in the urban redevelopment project.

The board asked for a nearly accurate calculation of the expenses for the city construction plan.

3

I'm not exactly sure how long the drive will take, but an hour is a good approximation.

I don't know the precise travel time, but one hour is a reasonable guess.

Famille de mots

Nom
approximation
Verb
approximate
Adverbe
approximately
Adjectif
approximate
Apparenté
approximant
💡

Astuce mémo

Look at the core of the word: 'proxi' as in 'proximity.' An approximation is a value in close proximity to the actual answer.

Quiz rapide

The engineer provided a rough _______ of the project's timeline, noting that it could change depending on the weather.

Correct !

La bonne réponse est : approximation

Exemples

1

The recipe's measurements are just an approximation, so you should adjust them based on your personal taste.

everyday

The quantities in the cooking instructions are estimates rather than exact weights, allowing for personal adjustments.

2

The committee requested a close approximation of the total costs involved in the urban redevelopment project.

formal

The board asked for a nearly accurate calculation of the expenses for the city construction plan.

3

I'm not exactly sure how long the drive will take, but an hour is a good approximation.

informal

I don't know the precise travel time, but one hour is a reasonable guess.

4

In many statistical models, a linear approximation is used to simplify the relationship between complex variables.

academic

In data science, researchers use a simplified straight-line model to represent complex data interactions.

5

We need a rough approximation of the quarterly sales to finalize our preliminary budget for next year.

business

We require a basic estimate of our three-month sales to finish the initial financial planning.

Famille de mots

Nom
approximation
Verb
approximate
Adverbe
approximately
Adjectif
approximate
Apparenté
approximant

Collocations courantes

rough approximation a coarse or very general estimate
close approximation a value that is very nearly correct
first approximation an initial, basic estimate before more detail is added
reasonable approximation a logical and acceptable estimate
successive approximations a sequence of results that get closer and closer to the exact value

Phrases Courantes

A rough approximation

A non-precise, general guess used as a starting point.

To the first approximation

Considering only the most important factors and ignoring smaller details.

Close approximation of

Something that is very similar to or resembles something else almost perfectly.

Souvent confondu avec

approximation vs estimate

An 'estimate' is often the act or result of judging a value, while 'approximation' specifically highlights the closeness to a target value.

approximation vs approximately

Approximation is the noun form (the estimate itself), whereas approximately is the adverb used to modify numbers or verbs.

📝

Notes d'usage

Use 'approximation' when you want to emphasize that a value is not final or exact, particularly in technical, scientific, or financial contexts. It often takes the preposition 'of' when followed by the object being estimated.

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Erreurs courantes

Learners often use the noun 'approximation' when they should use the verb 'approximate' or the adverb 'approximately.' For example, saying 'I will approximation the cost' is incorrect; it should be 'I will approximate the cost.'

💡

Astuce mémo

Look at the core of the word: 'proxi' as in 'proximity.' An approximation is a value in close proximity to the actual answer.

📖

Origine du mot

Derived from the Latin 'approximatus,' which is the past participle of 'approximare,' meaning 'to draw near to.'

Modèles grammaticaux

countable noun (can be plural: approximations) often followed by 'of' + noun phrase can be modified by adjectives like 'rough', 'close', or 'fair'

Quiz rapide

The engineer provided a rough _______ of the project's timeline, noting that it could change depending on the weather.

Correct !

La bonne réponse est : approximation

Mots lis

to

A1

Used to indicate the place, person, or thing that someone or something moves toward. It can also mark the recipient of an action or the limit of a range.

and

A1

A primary conjunction used to connect words, phrases, or clauses that are grammatically equal. It indicates addition, a sequence of events, or a relationship between two things.

a

A1

A word used before a singular noun that is not specific or is being mentioned for the first time. It is used only before words that begin with a consonant sound to indicate one of something.

that

A1

This word is a demonstrative pronoun used to indicate a specific person, object, or idea that is further away in space or time from the speaker. It is also used to refer back to something that has already been mentioned or to introduce a clause that identifies something.

I

A1

The pronoun 'I' is used by a speaker or writer to refer to themselves as the subject of a verb. It is the first-person singular subject pronoun in English and is always capitalized regardless of its position in a sentence.

for

A1

Used to show who is intended to have or use something, or to explain the purpose or reason for an action. It is also frequently used to indicate a specific duration of time.

not

A1

A function word used to express negation or denial. It is primarily used to make a sentence or phrase negative, often following an auxiliary verb or the verb 'to be'.

with

A1

A preposition used to indicate that people or things are together, in the same place, or performing an action together. It can also describe the instrument used to perform an action or a characteristic that someone or something has.

he

A1

A pronoun used to refer to a male person or animal that has already been mentioned or is easily identified. It functions as the subject of a sentence.

you

A1

Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.

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