kernel

kernel
[ˈkəːn(ə)l]
noun
  1. a softer, usually edible part of a nut, seed, or fruit stone contained within its hard shell
    果仁
    ■the seed and hard husk of a cereal, especially wheat
    谷粒，麦粒
    ■[in sing.]the central or most important part of something
    核心；中心
    this is the kernel of the argument.
    这是争论的核心。
    ■the most basic level or core of an operating system of a computer, responsible for resource allocation, file management, and security
    （计算机操作系统的）核心程序
    ■[as modifier](Linguistics)denoting a basic unmarked linguistic string
    (语言学)核心句
语源
  1. Old English cyrnel, diminutive of corn
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