C1 noun رسمی

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.

مثال‌ها

3 از 5
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.

خانواده کلمه

اسم
presolvant
Verb
presolve
صفت
presolving
مرتبط
solvent
💡

راهنمای حفظ

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

آزمون سریع

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

درسته!

پاسخ صحیح این است: presolvant

مثال‌ها

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.

خانواده کلمه

اسم
presolvant
Verb
presolve
صفت
presolving
مرتبط
solvent

ترکیب‌های رایج

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

عبارات رایج

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

اغلب اشتباه گرفته می‌شود با

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.

📝

نکات کاربردی

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.

⚠️

اشتباهات رایج

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.

💡

راهنمای حفظ

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

📖

ریشه کلمه

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

الگوهای دستوری

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

آزمون سریع

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

درسته!

پاسخ صحیح این است: presolvant

لغات مرتبط

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