presolvant
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.
예시
3 / 5Apply 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.
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.
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.
어휘 가족
암기 팁
Think of 'Pre' (before) and 'Solvant' (to dissolve). It is the liquid you use 'before' the main 'solvent' to do the heavy lifting.
빠른 퀴즈
The technician recommended using a heavy-duty ________ before the steam cleaning process to ensure all oil was removed.
정답!
정답은: presolvant
예시
Apply the presolvant to the grease stain and let it sit for five minutes before starting the wash cycle.
everydayApply the presolvant to the grease stain and let it sit for five minutes before starting the wash cycle.
The safety protocol requires technicians to use a non-corrosive presolvant when preparing the titanium components.
formalThe safety protocol requires technicians to use a non-corrosive presolvant when preparing the titanium components.
You'll need a bit of presolvant to get that sticky residue off the windshield.
informalYou'll need a bit of presolvant to get that sticky residue off the windshield.
The experiment demonstrated that using a polar presolvant significantly increased the yield of the extracted alkaloids.
academicThe experiment demonstrated that using a polar presolvant significantly increased the yield of the extracted alkaloids.
We are currently negotiating a bulk contract for the supply of high-grade industrial presolvants for our manufacturing plants.
businessWe are currently negotiating a bulk contract for the supply of high-grade industrial presolvants for our manufacturing plants.
어휘 가족
자주 쓰는 조합
자주 쓰는 구문
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
자주 혼동되는 단어
A solvent is the primary dissolving agent, while a presolvant is a preliminary agent used to prepare the surface.
A preservative keeps a substance from decaying, whereas a presolvant is used to help clean or dissolve something.
사용 참고사항
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.
자주 하는 실수
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.
암기 팁
Think of 'Pre' (before) and 'Solvant' (to dissolve). It is the liquid you use 'before' the main 'solvent' to do the heavy lifting.
어원
Derived from the Latin prefix 'prae-' (before) and the verb 'solvere' (to loosen or untie).
문법 패턴
빠른 퀴즈
The technician recommended using a heavy-duty ________ before the steam cleaning process to ensure all oil was removed.
정답!
정답은: presolvant
관련 어휘
관련 단어
to
A1Used 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
A1A 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
A1A 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
A1This 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
A1The 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
A1Used 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
A1A 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
A1A 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
A1A 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
A1Used 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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