A single anomalous result in the trial could invalidate the entire hypothesis, forcing the researchers to redesign their study.
试验中一个异常结果可能使整个假设失效，迫使研究人员重新设计他们的研究。
Which choice best defines “invalidate”?
D — To make no longer valid; disprove.. “invalidate” means To make no longer valid; disprove..
Which word means “To make no longer valid; disprove.”?
D — invalidate. “invalidate” means To make no longer valid; disprove..
invalidate — To make no longer valid; disprove.. In Chinese: 使无效;证明…站不住脚.
invalidate is pronounced //ɪnˈvælɪdeɪt//.
A single anomalous result in the trial could invalidate the entire hypothesis, forcing the researchers to redesign their study. (试验中一个异常结果可能使整个假设失效，迫使研究人员重新设计他们的研究。)
disprove, nullify, refute — all close in meaning to invalidate (To make no longer valid; disprove.).
validate, confirm — each the opposite of invalidate (To make no longer valid; disprove.).
Yes. invalidate is on the SAT Prep Easy list — mid-frequency academic words that do get tested. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
in(不) + validate(证实) → 使不成立 → 使无效。