C1 noun フォーマル

presolvant

/priːˈsɒlvənt/

A chemical substance or agent applied to a surface or material before the main cleaning or dissolving process to loosen contaminants. It is primarily used in industrial degreasing, dry cleaning, and specialized laboratory procedures to enhance the efficiency of the primary solvent.

例文

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1

Apply the presolvant to the grease stain and let it sit for five minutes before starting the wash cycle.

Apply the presolvant to the grease stain and let it sit for five minutes before starting the wash cycle.

2

The safety protocol requires technicians to use a non-corrosive presolvant when preparing the titanium components.

The safety protocol requires technicians to use a non-corrosive presolvant when preparing the titanium components.

3

You'll need a bit of presolvant to get that sticky residue off the windshield.

You'll need a bit of presolvant to get that sticky residue off the windshield.

語族

名詞
presolvant
Verb
presolve
形容詞
presolving
関連
solvent
💡

覚え方のコツ

Think of 'Pre' (before) and 'Solvant' (to dissolve). It is the liquid you use 'before' the main 'solvent' to do the heavy lifting.

クイックテスト

The technician recommended using a heavy-duty ________ before the steam cleaning process to ensure all oil was removed.

正解!

正解は: presolvant

例文

1

Apply the presolvant to the grease stain and let it sit for five minutes before starting the wash cycle.

everyday

Apply the presolvant to the grease stain and let it sit for five minutes before starting the wash cycle.

2

The safety protocol requires technicians to use a non-corrosive presolvant when preparing the titanium components.

formal

The safety protocol requires technicians to use a non-corrosive presolvant when preparing the titanium components.

3

You'll need a bit of presolvant to get that sticky residue off the windshield.

informal

You'll need a bit of presolvant to get that sticky residue off the windshield.

4

The experiment demonstrated that using a polar presolvant significantly increased the yield of the extracted alkaloids.

academic

The experiment demonstrated that using a polar presolvant significantly increased the yield of the extracted alkaloids.

5

We are currently negotiating a bulk contract for the supply of high-grade industrial presolvants for our manufacturing plants.

business

We are currently negotiating a bulk contract for the supply of high-grade industrial presolvants for our manufacturing plants.

語族

名詞
presolvant
Verb
presolve
形容詞
presolving
関連
solvent

よく使う組み合わせ

industrial presolvant industrial presolvant
apply a presolvant apply a presolvant
chemical presolvant chemical presolvant
presolvant spray presolvant spray
presolvant bath presolvant bath

よく使うフレーズ

presolvant application

the act of applying a presolvant

dwell time for presolvant

the time a presolvant must remain on a surface to work

rinse away the presolvant

to wash off the initial cleaning agent

よく混同される語

presolvant vs solvent

A solvent is the primary dissolving agent, while a presolvant is a preliminary agent used to prepare the surface.

presolvant vs preservative

A preservative keeps a substance from decaying, whereas a presolvant is used to help clean or dissolve something.

📝

使い方のコツ

The term is technical and most common in manufacturing, chemistry, and professional cleaning industries. It is often used as a countable noun when referring to different types of chemical mixtures.

⚠️

よくある間違い

Learners often misspell the word as 'presolvent' (though both are technically used, 'presolvant' is frequent in specialized technical data sheets influenced by French nomenclature). It should not be used as a verb in general conversation.

💡

覚え方のコツ

Think of 'Pre' (before) and 'Solvant' (to dissolve). It is the liquid you use 'before' the main 'solvent' to do the heavy lifting.

📖

語源

Derived from the Latin prefix 'prae-' (before) and the verb 'solvere' (to loosen or untie).

文法パターン

Countable noun Usually takes the plural form 'presolvants' when discussing various chemical types Often functions as a noun adjunct in phrases like 'presolvant treatment'

クイックテスト

The technician recommended using a heavy-duty ________ before the steam cleaning process to ensure all oil was removed.

正解!

正解は: presolvant

関連単語

administrate

B2

To manage, supervise, or oversee the operations and activities of an organization, program, or system. It involves the practical execution of policies and the organization of resources to achieve specific goals.

administrative

C1

Relating to the organization and management of a business, institution, or government. It describes the practical tasks, systems, and procedures required to keep an entity running efficiently behind the scenes.

appropriately

B2

To perform an action in a manner that is suitable, right, or proper for a particular situation, person, or occasion. It implies following specific social norms, professional standards, or logical requirements.

assistant

C2

A person who ranks below a senior professional and aids them in their duties, often handling specialized tasks or administrative burdens. In a professional or academic context, an assistant often possesses significant expertise but operates under the direction of a superior to facilitate complex operations.

commissioner

C1

A high-ranking official who is in charge of a government department, a public organization, or a professional sports league. This person is typically appointed to exercise administrative authority or to oversee a specific commission or set of regulations.

computer

C1

A sophisticated electronic device designed to store, retrieve, and process data through programmed instructions. In modern discourse, it encompasses everything from microprocessors in appliances to high-performance servers facilitating global networks.

conclusion

C2

A final judgment, decision, or opinion reached by reasoning after considering all evidence and facts. It also refers to the final part of a piece of writing or a speech that summarizes the main points and provides a closing statement.

consequent

C2

In logic and philosophy, a consequent is the second part of a conditional proposition, following the 'if' clause (the antecedent). It represents the result or deduction that follows necessarily or naturally from a previous statement or condition.

consume

C1

To consume means to use up a resource, such as energy, time, or goods, or to eat and drink something. In academic contexts, it often refers to the utilization of information, products, or services by individuals or groups within an economy or social system.

consumer

B2

A consumer is a person who purchases goods and services for personal use rather than for resale or business purposes. In a broader biological or ecological context, it refers to any organism that feeds on other organisms or organic matter.

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