Kernel

Kernel can mean:

 A seed, in plants
 The atomic nucleus
 Kernel (computer science), the central component of most operating systems
 Linux kernel
 The kernel trick in machine learning
 In game theory, a cooperative solution concept
 Kernel (programming language), a Scheme-like language
 Kernel (Lilo & Stitch), experiment 014 from the Lilo & Stitch cartoon series
 Kernel Fleck, a character in the Demonata series of books
 In mathematics:
 Kernel (mathematics)
 Positive definite kernel
 Kernel (algebra)
 Kernel (linear operator)
 Kernel (matrix)
 Kernel of a function
 Kernel of an integral transform
 Kernel (statistics)
 Stochastic kernel
 Convolution kernel, as of a linear filter
 Kernel (category theory)
 Heat kernel
 Polygon kernel