Meaning of “knowledge” in the English Dictionary

"knowledge" in English

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uk /ˈnɒl.ɪdʒ/ us /ˈnɑː.lɪdʒ/

B1 [ S or U ] understanding of or information about a subject that you get by experience or study, either known by one person or by people generally:

Her knowledge of English grammar is very extensive.
He has a limited knowledge of French.
The details of the scandal are now common knowledge (= familiar to most people).
She started to photograph the documents, safe in the knowledge that (= knowing that) she wouldn't be disturbed for at least an hour.
In this town there are only a couple of restaurants that to my knowledge (= judging from my personal experience and information) serve good food.

[ U ] the state of knowing about or being familiar with something:

They both deny all knowledge of the affair.
It has come/been brought to our knowledge (= we have discovered) that several computers have gone missing.

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(Definition of “knowledge” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"knowledge" in American English

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knowledgenoun [ U ]

us /ˈnɑl·ɪdʒ/

awareness, understanding, or information that has been obtained by experience or study, and that is either in a person’s mind or possessed by people generally:

How will we use our increasing scientific knowledge?
A lack of knowledge on the part of teachers is a real problem.
He has a limited knowledge of French.
The owner claims the boat was being used without her knowledge.
It was common knowledge that Lucy was superstitious about the number 13.

(Definition of “knowledge” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"knowledge" in Business English

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uk /ˈnɒlɪdʒ/ us

skill in, understanding of, or information about something, which a person gets by experience or study:

acquire/gain/have knowledge
possess/lack knowledge
People working in stores need better product knowledge.
business/scientific/technical knowledge
deny all/any knowledge of sth The chairman denies all knowledge of any foreign accounts.
Applicants should have a working knowledge of computer-aided design systems.
detailed/extensive/basic knowledge
business/scientific/technical knowledge
to my knowledge also to the best of my knowledge

judging from my personal experience and information:

To my knowledge, not one call was made to verify anything in my application for the job.

(Definition of “knowledge” from the Cambridge Business English Dictionary © Cambridge University Press)

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Someone once said that knowledge is power, yet given the state of the world today, it must unfortunately be added that ignorance does not mean a lack of power.
You have an in-depth knowledge of what he thinks, not only from what he has said in public, but also from what he said in that videoconference.
The plenary session must have knowledge regarding the compatibility of the financial framework with the financial perspective so that it can take its decision.
Throughout the 6 000 years of our history, it is by means of copying that the enormous body of human knowledge has increased.
In this context, it is important to note that knowledge about the manufacture of medicinal products and the action of any given drug is not general knowledge.
No advanced computing expertise and specialist knowledge of how the institutions operate should be required in order for people to be able to benefit from the regulations on openness.
We do, on the other hand, have to take account of the fact that, at present, medical knowledge doubles every five years.
Although society engages in scientific research, legislators are often unfortunately kept in the dark when it comes to knowledge of this kind.
I trust and believe that the 21st century can be the century of the knowledge of history through the image of culture.
Officials who gain knowledge of these shortcomings and wish to contribute to a quick solution are not rewarded, but instead punished.