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Definition of kernel noun from the Oxford Advanced Learner's Dictionary

kernel

noun
 
/ˈkɜːnl/
 
/ˈkɜːrnl/
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  1. the inner part of a nut or seed
    • pine/apricot kernels
    Homophones colonel | kernelcolonel   kernel
     
    /ˈkɜːnl/
     
    /ˈkɜːrnl/
    • colonel noun
      • The colonel yelled out to his troops.
    • kernel noun
      • The sun-dried tomato and pine kernel topping was delicious.
  2. the 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.
  3. Word OriginOld English cyrnel, diminutive of corn (the plant).
See kernel in the Oxford Advanced American Dictionary

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