C1 noun رسمي

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.

أمثلة

3 من 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.

عائلة الكلمة

اسم
presolvant
Verb
presolve
صفة
presolving
مرتبط
solvent
💡

نصيحة للحفظ

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

اختبار سريع

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

صحيح!

الإجابة الصحيحة هي: presolvant

أمثلة

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.

عائلة الكلمة

اسم
presolvant
Verb
presolve
صفة
presolving
مرتبط
solvent

تلازمات شائعة

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

العبارات الشائعة

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

يُخلط عادةً مع

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.

📝

ملاحظات الاستخدام

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.

⚠️

أخطاء شائعة

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.

💡

نصيحة للحفظ

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

📖

أصل الكلمة

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

أنماط نحوية

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

اختبار سريع

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

صحيح!

الإجابة الصحيحة هي: presolvant

كلمات ذات صلة

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tropical

A1

Relating to the hot regions of the Earth near the equator. It describes weather that is very warm and wet, or plants and animals that come from these areas.

trader

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A trader is a person whose job is to buy and sell goods, stocks, or other items for profit. They can work in a small local market or on large international financial exchanges.

indoor

A1

Describes something that is located, happens, or is used inside a building rather than outside. It is an adjective used before a noun to talk about activities or objects protected from the weather.

threshold

A1

A threshold is the physical area at the bottom of a doorway that you step over to enter a room or building. It also refers to the level or point at which something starts to happen or changes.

tribute

A1

A tribute is something that you say, do, or give to show your respect and admiration for someone. It is often a public act used to honor a person's life, work, or memory.

elder

A1

Used to describe a person who is older than another, especially within a family. It is also used to refer to people who have a high status or more experience because of their age.

russian

A1

Relating to Russia, its people, its language, or its culture. It describes things that come from or are connected to the largest country in the world.

southeastern

A1

Located in or coming from the direction between south and east. It describes a place, a region, or a wind that is in the corner between the bottom and the right on a map.

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