knowledge
noun OPAL WOPAL S
  /ˈnɒlɪdʒ/
  /ˈnɑːlɪdʒ/
Idioms - [uncountable, singular] the information, understanding and skills that you gain through education or experience
- scientific/technical knowledge and skills
 - intimate/first-hand/basic knowledge
 - a thirst for knowledge
 - It will be an opportunity to gain knowledge and experience.
 - knowledge of something She has acquired a detailed knowledge of the subject.
 - They enjoy sharing their knowledge of the business.
 - He had no prior knowledge of the language before visiting the country.
 - He has a wide knowledge of painting and music.
 - knowledge about something There is a lack of knowledge about the tax system.
 
Oxford Collocations Dictionaryadjective- new
 - basic
 - considerable
 - …
 
- body
 
- acquire
 - gain
 - have
 - …
 
- in the knowledge
 - to somebody’s knowledge
 - with somebody’s knowledge
 - …
 
- a wealth of knowledge
 - a gap in your knowledge
 - the pursuit of knowledge
 - …
 
 - [uncountable] the state of knowing about a particular fact or situation
- knowledge (of something) He denied all knowledge of the affair.
 - without somebody's knowledge She sent the letter without my knowledge.
 - with somebody's knowledge The film was made with the Prince's full knowledge and approval.
 - in the knowledge that… I was happy in the knowledge that I had done my best.
 - I went to sleep secure in the knowledge that I was not alone in the house.
 - They could relax safe in the knowledge that they had the funding for the project.
 - Their delight in the win was tempered by the knowledge that the competition would only get fiercer.
 
Oxford Collocations Dictionaryadjective- new
 - basic
 - considerable
 - …
 
- body
 
- acquire
 - gain
 - have
 - …
 
- in the knowledge
 - to somebody’s knowledge
 - with somebody’s knowledge
 - …
 
- a wealth of knowledge
 - a gap in your knowledge
 - the pursuit of knowledge
 - …
 
 - (used before another noun) information, considered as a resource to be used and supplied in industry, rather than producing goods
- the shift toward a knowledge economy
 - Knowledge workers are driving our economy today.
 - the emergence of consultancy as a knowledge industry
 - knowledge capital/assets
 - The successful candidate will have experience in data and knowledge management.
 
 
Word OriginMiddle English (originally as a verb in the sense ‘acknowledge, recognize’, later as a noun): from an Old English compound based on cnāwan (see know).
Idioms 
be common/public knowledge 
- to be something that everyone knows, especially in a particular community or group
- Their relationship is common knowledge.
 
 
come to somebody’s knowledge 
- (formal) to become known by somebody
- It has come to our knowledge that you have been taking time off without permission.
 
 
to the best of your knowledge/belief 
- as far as you know
- He never made a will, to the best of my knowledge.
 
 
to your knowledge 
- from the information you have, although you may not know everything
- ‘Are they divorced?’ ‘Not to my knowledge.’
 - She never, to my knowledge, considered resigning.