VALIDATION definition: 1. the act or process of making something officially or legally acceptable or approved: 2. proof…. Learn more.

6 days ago · The meaning of VALIDATION is an act, process, or instance of validating; especially : the determination of the degree of validity of a measuring device.

Definition of validation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

VALIDATION definition: the act of confirming something as true or correct: You will be prompted to enter your new password a second time for validation. See examples of validation used in a sentence.

Validation activities are conducted to ensure that the resulting products and services meet the requirements for the specified application or intended use. Verification activities are conducted to …

May 16, 2026 · Validation is the process of evaluating the final product to ensure it meets user needs and expectations. It checks whether the right product has been built. Example: Testing a banking …

W3C's easy-to-use markup validation service, based on SGML and XML parsers.