Definition of kernel noun from the Oxford Advanced American Dictionary

     

    kernel

     noun
    noun
    NAmE//ˈkərnl//
     
     
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  1. 1the inner part of a nut or seed
  2. 2the central, most important part of an idea or a subject the kernel of her argument There may be a kernel of truth (= a small amount of truth) in what she said.
See the Oxford Advanced Learner's Dictionary entry: kernel