How to say "validation" in Japanese
Choosing the right word
- 確認かくにんnoun, suru verb, transitive verbThe all-purpose word for validation as checking or confirming that something is correct; it also covers 'confirmation' and 'verification'. Typical in everyday and business Japanese, from confirming details to verifying data.
- 妥当性確認試験だとうせいかくにんしけんnounThe technical term for a validation test — checking that a system or product is fit for its intended use. You will meet it mainly in software development and quality assurance, not everyday conversation.
- 動確どうかくnounA shortened form of 動作確認 with the same meaning: checking that something runs or works. Being an abbreviation, it suits casual workplace speech; in writing, the full 動作確認 is the safer choice.
- 動作確認どうさかくにんnounCovers 'validation' as checking that something works: operation checks and functionality testing. This is the phrase you want in software and hardware contexts, for confirming that a program, system, or device runs properly.
- 有効化ゆうこうかnoun, suru verb, transitive verbReally means enabling or activation — making something valid or active, as when a feature is switched on in software. For the checking or testing senses of 'validation', this is seldom the word you want.
For 'validation' as checking or confirming, 確認 is the common all-purpose word and 動作確認 means checking that something works; 妥当性確認試験 is the technical validation test, 有効化 means enabling rather than checking, and 動確 is a short form of 動作確認.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese equivalents
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