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www.merriam-webster.com
NULL Definition & Meaning - Merriam-Webster
Null often pops up in legal and scientific contexts; it was originally used in Scottish law and still carries the meaning "having no legal or binding force," especially in the phrase "null and void."
en.wikipedia.org
Null - Wikipedia
Null character, the zero-valued ASCII character, also designated by NUL, often used as a terminator, separator or filler. This symbol has no visual representation.
scienceinsights.org
What Is the Null Value in Statistics and P-Values?
3 days ago · The null value is the number representing “no effect” in a statistical test. Learn how it connects to p-values and confidence intervals.
www.w3schools.com
SQL NULL Values - IS NULL and IS NOT NULL - W3Schools
A NULL value represents an unknown, missing, or inapplicable data in a database field. It is not a value itself, but a placeholder to indicate the absence of data.
www.dictionary.com
NULL Definition & Meaning | Dictionary.com
NULL definition: without value, effect, consequence, or significance. See examples of null used in a sentence.
developer.mozilla.org
Null - Glossary | MDN
Jul 11, 2025 · 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 implem...
dictionary.cambridge.org
NULL | English meaning - Cambridge Dictionary
NULL definition: 1. having no legal force: 2. with no value or effect: 3. (of a set or matrix) containing nothing…. Learn more.
www.oed.com
null, n.¹ meanings, etymology and more | Oxford English ...
What is the etymology of the noun null? null is a borrowing from Latin. Etymons: Latin nūllus.
www.thefreedictionary.com
Null - definition of null by The Free Dictionary
null (nʌl) adj 1. without legal force; invalid; (esp in the phrase null and void) 2. without value or consequence; useless
www.computerhope.com
What Is Null? - Computer Hope
Sep 7, 2025 · The concept of null and its significance in computing with our comprehensive definition, examples, and explanations. Learn how null differs from zero and empty.