Kernel may refer to: Computing. Kernel (operating system), the central component of most operating systems. Kernel (image processing), a matrix used for image convolution. Compute kernel, in GPGPU programming. Kernel method, in machine learning. Kernelization, a technique for designing efficient algorithms. Kernel, a routine that is executed in a vectorized loop, for example in general-purpose computing on graphics processing units. KERNAL, the Commodore operating system. Mathematics. Objects.
https://en.wikipedia.org/wiki/Kernel