Kernel: meaning, definitions and examples

Use 'kernel' when referring to the very core or most essential part of something, often used in technical or scientific contexts, such as computing or biology.

• The kernel of an operating system is crucial for managing resources and hardware.

Use 'core' for highlighting the most important or vital part of something, often in more abstract or figurative contexts, such as values, principles, or central elements of a concept.

• Trust and honesty are at the core of a strong relationship.
• We need to get to the core issue before we proceed.

Use 'center' when describing the middle point or a focal point of a physical space or an abstract idea. Often relevant in everyday and spatial contexts.

• The shopping mall is right in the center of the city.
• The center of our discussion was the new project proposal.

Use this when referring to the inner, often edible part of a nut or seed. It can also be used in a metaphorical sense to refer to the essential part of an idea or argument.

• The almond's kernel is very nutritious.
• At the kernel of his argument is the idea of freedom.

This is best used when specifically referring to the edible, fleshy part inside a nut. It's a more descriptive term that's often used in culinary contexts.

• You can use nut meat in various recipes to add a crunchy texture.
• The nut meat of pecans can be used in desserts.

This term is used when describing the central part of a seed, often in botanical or scientific contexts. It suggests a more technical or precise meaning.

• The seed core contains the embryo of the plant.
• Researchers are studying the seed core to understand its genetic material.

In the context of mathematics, particularly functions, it refers to a set of inputs that a given function maps to zero.

• The kernel of this matrix must be found to solve the equation system.
• He studied the properties of the kernel to understand the function's behavior.

In mathematics, null space refers to the set of all vectors that, when multiplied by a given matrix, result in the zero vector. It is a specific type of kernel.

• To find the solutions to the homogeneous system, we need to determine the null space of the matrix.
• The dimension of the null space is called the nullity of the matrix.

Refers to a memory area in computing where the kernel, operating system code, and core system data are stored and executed. It is distinct from user space, where user applications run.

• A segmentation fault often occurs when a user program tries to access kernel space.
• Certain drivers need to operate within the kernel space to function correctly.