NULL Definition & Meaning - Merriam-Webster

www.merriam-webster.com/dictionary/null
The meaning of NULL is having no legal or binding force : invalid. How to use null in a sentence. Did you know?

Null - Wikipedia

en.wikipedia.org/wiki/Null
Null is a term that can have various meanings in science, technology, mathematics, arts, and people. It can refer to a zero value, a missing data, a null pointer, a null character, or a null device, among others.

c# - What does null! statement mean? - Stack Overflow

stackoverflow.com/questions/54724304/what-does-null-statement-mean
It can be used on a type to control Nullability, it is then called the "Null Forgiving Operator". Basically, null! applies the ! operator to the value null. This overrides the nullability of the value null to non-nullable, telling the compiler that null is a "non-null" type.

null - JavaScript | MDN - MDN Web Docs

developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/null     2025-10-28T00:00:00.0000000
The null keyword refers to the null primitive value, which represents the intentional absence of any object value.

NULL | English meaning - Cambridge Dictionary

dictionary.cambridge.org/dictionary/english/null
Null means having no legal force, no value or effect, or containing nothing. It can be an adjective, noun or verb in different contexts. See how to use null in sentences and compare it with related words.

Null - Glossary - MDN

developer.mozilla.org/en-US/docs/Glossary/Null     2025-07-11T00:00:00.0000000
In computer science, a null value represents a reference that points, generally intentionally, to a nonexistent or invalid object or address. The meaning of a null reference varies among language implementations.

The Real Meaning of "Null": Explained in Simple Words 2025

sosmeanings.com/what-does-null-mean/     2025-11-04T00:00:00.0000000
Discover what "null" means in programming, math, and everyday life. Simple explanation, expert insight, and practical examples inside!

Null (SQL) - Wikipedia

en.wikipedia.org/wiki/Null_(SQL)
Null is a special marker in SQL to indicate that a data value does not exist in the database. Learn about its origin, semantics, propagation, comparisons and issues in database theory and practice.

Null vs undefined in JavaScript: What the difference actually means

codeforgeek.com/javascript-null-undefined/     2026-08-21T00:00:00.0000000
JavaScript uses null and undefined for different kinds of missing data. Every example below ran with Node.js 26.7.0 to show where the values come from, how each operator treats them, and which value survives a JSON request. Null and undefined in one table The shortest distinction concerns intent. Null is an explicit empty value, while undefined usually means JavaScript did not produce a value.
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