ScienceJuly 4, 2026

negation

/nɪˈɡeɪʃən/

Definition

The act of proving that a concept, theory, or belief is false or non-existent.

Etymology

The word originates from the Latin 'negatio', derived from 'negare', meaning 'to deny'. It entered Middle English via Old French to describe the formal act of saying 'no' or declaring something to be untrue.

In the news

The article uses the word to describe how the scientific disproof of the 'luminiferous ether'—a hypothetical medium—was a vital step in advancing modern physics. This negation cleared the path for Einstein’s theories of relativity.

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