prerequisite
A prerequisite is something you must do or have before you can start something else.
Explanation at your level:
A prerequisite is a 'must-do' thing. If you want to do something, you must do this first. It is like a key to open a door.
A prerequisite is a requirement. Before you take a hard class, you must take an easy class. That easy class is the prerequisite.
In school or work, a prerequisite is a rule. You must complete one task before you start the next one. It ensures you are ready.
The term prerequisite is used to define necessary conditions for progress. Whether it is a university course or a job application, meeting these requirements is mandatory for success.
Prerequisites act as structural gatekeepers in institutional settings. They validate that an individual possesses the foundational knowledge required to engage with more complex subject matter, thereby maintaining academic or professional standards.
Etymologically derived from the Latin praerequisitus, the term prerequisite denotes an ontological necessity. It implies that the existence or success of a subsequent event is contingent upon the fulfillment of a prior condition, serving as a critical mechanism for sequencing and preparation in virtually all complex systems.
30秒词汇
- A prerequisite is a requirement for something else.
- It must be done before the main task.
- Common in university and professional settings.
- It is a countable noun.
When we talk about a prerequisite, we are talking about the foundation. Imagine you want to build a house; you cannot put the roof on before you have built the walls. In this scenario, the walls are the prerequisite for the roof.
You will hear this word most often in schools and universities. If you want to take 'Advanced Physics,' the school might say that 'Basic Algebra' is a prerequisite. This ensures that every student has the same starting knowledge, making the class run much smoother.
It is not just for school, though! You can have a prerequisite for anything. For example, having a valid driver's license is a prerequisite for renting a car. It is the gatekeeper that ensures you are ready for the main event.
The word prerequisite has a very logical history. It comes from the Latin word praerequisitus, which is a combination of prae (meaning 'before') and requirere (meaning 'to ask for' or 'to require').
It entered the English language in the 17th century. Back then, it was used primarily in formal, logical, or legal contexts to describe things that were 'required beforehand.' Over time, it became a staple of academic and professional language.
Interestingly, it shares the same root as the word request. So, when you see a prerequisite, you can think of it as a 'pre-request'—something that was requested of you before you could proceed further. It is a classic example of how Latin roots help us understand complex English concepts today.
Using prerequisite correctly is all about context. It is a formal word, so you are more likely to see it in a university handbook or a job description than in a casual text message to a friend.
Commonly, we use it with the verb satisfy or meet. You 'meet a prerequisite' or 'satisfy a prerequisite.' You might also hear people say 'a necessary prerequisite,' which is technically redundant because the word already implies necessity, but people say it for emphasis.
In professional settings, it is often used to describe skills. For instance, 'Fluency in Python is a prerequisite for this software engineering role.' It signals that you shouldn't even apply if you don't have that skill, saving everyone time.
While prerequisite is a formal noun, it is often linked to these common concepts:
- Lay the groundwork: To prepare the basics before starting.
- Step one: The first thing you must do.
- Clear the hurdle: To get past a requirement.
- Entry requirement: A synonym often used in job or school applications.
- The fine print: Where you usually find the list of prerequisites.
The word prerequisite is a countable noun. You can have one prerequisite or several prerequisites. It is almost always preceded by an article like 'a' or 'the'.
Pronunciation can be tricky! In the US, it is usually pronounced pree-REK-wuh-zit. The stress is on the second syllable. Rhyming words include requisite, exquisite (though the stress differs), and visit.
Remember that it is a noun, not an adjective. You don't say 'this is prerequisite to the class,' you say 'this is a prerequisite for the class.' Using it as a noun keeps your grammar clean and professional.
Fun Fact
It combines 'pre' (before) and 'request'.
Pronunciation Guide
Sounds like 'pree-REK-wih-zit'.
Sounds like 'pree-REK-wuh-zit'.
Common Errors
- Misplacing the stress on the first syllable
- Dropping the final 't' sound
- Adding extra syllables
Rhymes With
Difficulty Rating
Common in academic texts.
Useful for formal writing.
Used mostly in formal contexts.
Easy to hear.
What to Learn Next
Prerequisites
Learn Next
高级
Grammar to Know
Noun usage
It is a noun.
Preposition 'for'
Prerequisite for.
Articles
A prerequisite.
Examples by Level
This class is a prerequisite.
This class is a must-do.
Simple noun usage.
I need to do this first.
Requirement.
Contextual usage.
Is there a prerequisite?
Is there a requirement?
Question form.
Math is a prerequisite.
Math is required.
Subject noun.
It is a big prerequisite.
Important requirement.
Adjective + noun.
Do the prerequisite now.
Do the task first.
Imperative.
No prerequisite needed.
No requirement.
Negative structure.
Check the prerequisite list.
Look at the requirements.
Noun adjunct.
Math 101 is a prerequisite for Math 102.
You must meet the prerequisite to join.
The course has one main prerequisite.
What is the prerequisite for this job?
I finished the prerequisite last year.
Please read the prerequisite requirements.
Is English a prerequisite for this trip?
The prerequisite is very important.
Completing the training is a prerequisite for the promotion.
She didn't know that chemistry was a prerequisite.
The university listed three prerequisites for the program.
Meeting the prerequisite allows you to register early.
He failed the prerequisite, so he couldn't take the class.
Check if you have satisfied every prerequisite.
The job posting mentioned several prerequisites.
Is there a prerequisite for the advanced workshop?
A solid understanding of grammar is a prerequisite for writing well.
The professor waived the prerequisite for experienced students.
Having a degree is a standard prerequisite for this position.
The board established strict prerequisites for membership.
You cannot bypass the prerequisite; it is mandatory.
The prerequisite ensures that all students are on the same page.
He lacked the necessary prerequisites to qualify for the grant.
The new policy changes the prerequisites for graduation.
Technical proficiency is a prerequisite for success in this field.
The prerequisite serves as a filter for unqualified applicants.
She argued that the current prerequisites were outdated.
Understanding the history is a prerequisite for political analysis.
The committee debated the relevance of the stated prerequisites.
He found the prerequisite to be overly burdensome.
The curriculum design relies heavily on sequential prerequisites.
Meeting the prerequisite is merely the first step.
The prerequisite conditions for peace were finally established.
His lack of experience was a prerequisite for failure.
The philosophical prerequisite for the argument was flawed.
One must acknowledge the prerequisite nature of these events.
The prerequisite for entry into the guild was a decade of work.
They established a prerequisite framework for the entire project.
The prerequisite for her success was sheer determination.
The study examines the prerequisite factors for economic growth.
近义词
反义词
常见搭配
Idioms & Expressions
"lay the groundwork"
To do the preparatory work.
We need to lay the groundwork before we start.
neutral"the first step"
The initial requirement.
Learning to read is the first step.
neutral"clear the way"
To remove obstacles.
We cleared the way for the new project.
neutral"set the stage"
To prepare the environment.
This meeting sets the stage for the deal.
neutral"get the ball rolling"
To start a process.
Let's get the ball rolling on this.
casualEasily Confused
They look almost the same.
Requisite is just 'needed', prerequisite is 'needed *before*'.
Water is a requisite for life; a class is a prerequisite for the next level.
Both mean something you need.
Requirement is broader; prerequisite is specific to sequencing.
A degree is a requirement; this course is a prerequisite.
Both imply 'before'.
Precondition is usually used for agreements or logic.
A ceasefire is a precondition for talks.
Both mean 'must have'.
Essential is an adjective; prerequisite is a noun.
Food is essential.
Sentence Patterns
This is a prerequisite for [noun].
This is a prerequisite for the course.
You must meet the prerequisite for [noun].
You must meet the prerequisite for the job.
The prerequisite for [noun] is [noun].
The prerequisite for entry is a degree.
There is a prerequisite that [clause].
There is a prerequisite that you pass the exam.
Without the prerequisite, [clause].
Without the prerequisite, you cannot apply.
词族
Nouns
Verbs
Adjectives
相关
How to Use It
7
Formality Scale
常见错误
While 'to' is sometimes used, 'for' is the standard preposition.
Spelling error, missing the final 'e'.
It is a noun, not an adjective (e.g., 'prerequisite knowledge' is okay, but 'it is prerequisite' is wrong).
Avoid abbreviations in formal writing.
The plural is simple -s, not -ies.
Tips
Memory Palace Trick
Imagine a 'Pre' (before) gatekeeper at the start of a path.
When Native Speakers Use It
When signing up for classes or jobs.
Cultural Insight
It is a staple of the 'college experience' in the US.
Grammar Shortcut
Always use 'a' or 'the' before it.
Say It Right
Focus on the 'REK' sound.
Don't Make This Mistake
Don't use it as an adjective.
Did You Know?
It comes from Latin 'prae' (before).
Study Smart
Use it in a sentence about your own goals.
Memorize It
Mnemonic
Pre (before) + Re (again) + Quist (ask). Ask for it before you start!
Visual Association
A locked gate with a sign that says 'Prerequisite' that you must unlock to pass.
Word Web
挑战
List three things you need to do before you can go on a vacation.
词源
Latin
Original meaning: Required beforehand
文化背景
None, it is a neutral, professional term.
Commonly used in university catalogs and corporate HR policies.
Practice in Real Life
Real-World Contexts
at school
- Check the prerequisites
- Meet the requirements
- Enroll in the prerequisite
at work
- Job prerequisite
- Necessary skills
- Entry criteria
legal
- Contractual prerequisite
- Legal condition
- Stipulated requirement
general life
- A prerequisite for success
- The first step
- Basic requirement
Conversation Starters
"What is a prerequisite for your dream job?"
"Do you think schools have too many prerequisites?"
"What was the last prerequisite you had to meet?"
"Is experience a prerequisite for leadership?"
"How do you feel about prerequisites in general?"
Journal Prompts
Describe a time you had to meet a prerequisite.
Why are prerequisites important in education?
If you designed a course, what would be its prerequisite?
Is there a prerequisite for happiness?
常见问题
8 个问题Yes, but prerequisite specifically implies it must be done *before* something else.
Yes, you can have a list of prerequisites.
No, it can be a skill, a document, or a condition.
Pree-REK-wuh-zit.
No, it is a noun.
Prerequisites.
Yes, it is common in formal settings.
Only in very casual speech; avoid in writing.
自我测试
A ___ is something you must do first.
It is the definition of the word.
Which is a synonym for prerequisite?
Requirement means the same thing.
A prerequisite is something you do after the main task.
It must be done before.
Word
意思
Matching synonyms and antonyms.
This is a prerequisite.
得分： /5
Summary
A prerequisite is the 'must-do' step that unlocks your next big goal.
- A prerequisite is a requirement for something else.
- It must be done before the main task.
- Common in university and professional settings.
- It is a countable noun.
Memory Palace Trick
Imagine a 'Pre' (before) gatekeeper at the start of a path.
When Native Speakers Use It
When signing up for classes or jobs.
Cultural Insight
It is a staple of the 'college experience' in the US.
Grammar Shortcut
Always use 'a' or 'the' before it.
例句
A bachelor's degree is a prerequisite for this master's program.
Related Content
这个词在其他语言中
更多education词汇
absent
A2缺席意味着不在某个地方。
academy
B1指专门进行学习或技能培训的机构。
beginner
A2就是刚开始学习或做某事的人。
exam
A2用来检查你学了多少的测试。它评估你的知识。
grammar
A2指语言的规则体系，用来规范说话和写作的结构。
hit the books
B1To begin studying with a lot of effort and focus, especially when preparing for an exam or a test. It implies a serious and dedicated study session rather than just casual reading.
homework
A1放学后必须在家做的作业。帮助你练习所学内容。
knew
A2这是“知道”这个动词的过去式。表示你拥有信息或知识。
learner
A2指正在学习某门课程或某种技能的人。
library
A1这是一个可以读书或借书的地方，通常也很安静。
