defeater

UK
/dɪˈfiːtə/
US
/dɪˈfitɚ/

Translations

defeaternoun
defeaters
pl
UK
/dɪˈfiːtə/
US
/dɪˈfitɚ/
The scientist presented a defeater to the previously accepted theory.
Ученый представил опровержение ранее принятой теории.
defeateradjective
UK
/dɪˈfiːtə/
US
/dɪˈfitər/
Used attributively before a noun, e.g., "defeater argument"

Definitions

defeaternoun
A person or thing that defeats someone or something.
The underdog team emerged as the unexpected defeater of the reigning champions.
A factor or argument that invalidates or refutes a claim or theory.
The scientist presented a defeater to the previously accepted hypothesis, changing the course of the research.
defeateradjective
Serving to bring about defeat or invalidation; employed only before a noun.
The committee considered the defeater evidence conclusive.