1. the quality or condition of being able to be tested or examined
2. the degree to which a hypothesis, theory, or system can be subjected to testing
Usage: scientific; technical

Examples

• The testability of the new software was a key factor in its development.
• Scientists value the testability of their hypotheses above all else.
• The theory’s lack of testability made it difficult to prove or disprove.
• Good experimental design improves the testability of research questions.
• The testability of the product was enhanced by adding diagnostic features.
• Philosophers debate the testability of certain metaphysical claims.