Definition of “knowledge” - 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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More emphasis on the listed policy aspects is required if we want to create a knowledge-based society which involves the entire population.
As we well know, the main result of research is knowledge, followed by the opportunity to enhance that result in the economic sector, or indeed the industrial sector.
Even without knowledge of whether any of the other animals have become infected, this action is nevertheless justifiable, precisely in order for the above objectives to be met.
On the one hand, there are the unemployed and those who, through inadequate knowledge, have no access to modern information technology.
Well, in education we are endeavouring to prevent our cultural knowledge from travelling beyond the border and the result is clearly a broken and fragmented project.
The dissemination of information and knowledge is now incomparably faster and more extensive than it was even a few years ago.
Then there is a dearth of information on opportunities for mobility and there is the barrier of the lack of knowledge of languages.
At the end of the day, we will have no choice but to deal with this knowledge in a responsible manner by trying to circumscribe it.
I would advocate a realistic approach, an approach based on the knowledge that electricity production from renewable energy sources can never form a substantial element of total energy production.
Is it about imparting knowledge and expertise?