Meaning & Definition of word "Kernel"

Kernel

/ˈkɜrnəl/

1. The central or most important part of something, typically a hard seed, nut, or grain.
- Example: The kernel of the argument is that we need to change our approach to sustainability.
2. A softer, usually edible part of a seed, nut, or fruit stone contained within its hard shell.
- Example: She cracked open the walnut to reveal the rich, brown kernel inside.
3. The part of a computer operating system that manages core functionalities.
- Example: The kernel is responsible for managing memory and processes in the operating system.
4. A small, usually rounded or spherical unit of a substance.
- Example: The popcorn kernels popped into fluffy treats when heated.

●Middle English, from Old English cyrnel, diminutive of cern (grain), from Proto-Germanic *kernō.

kernel of truth:

A small amount of truth in a larger statement.

kernel panic:

An error condition occurring in an operating system's kernel.

popcorn kernel:

A corn kernel that can pop when heated.

nucleus:

The central part of an atom, or a central part around which others gather.

seed:

The part of a plant that can grow into a new plant.

core:

The central or most important part.

Meaning: A tech term for the essential part of a codebase.

● Example Sentence: The kernel is where all the crucial logic resides in this app.

Meaning: Referring to a small piece of information that is essential.

● Example Sentence: Give me the kernel of this story; I don’t need the details.