/ ˈnɒlɪdʒ; NAmE ˈnɑːl-/ noun knowledge (of / about sth)
1.
[ U , sing. ] the information, understanding and skills that you gain through education or experience :
practical / medical / scientific knowledge
He has a wide knowledge of painting and music.
There is a lack of knowledge about the tax system.
2.
[ U ] the state of knowing about a particular fact or situation :
She sent the letter without my knowledge .
The film was made with the Prince's full knowledge and approval.
She was impatient in the knowledge that time was limited.
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.
He denied all knowledge of the affair.
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IDIOMS
- be common / public knowledge
- come to sb's knowledge
- to your knowledge
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WORD ORIGIN
Middle English (originally as a verb in the sense acknowledge, recognize , later as a noun): from an Old English compound based on cnāwan (see know ).