QED

¹ American  

abbreviation

Physics.

1. quantum electrodynamics.

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Q.E.D. ² American  

abbreviation

1. which was to be shown or demonstrated (used especially in mathematical proofs).

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QED British  

abbreviation

1. quod erat demonstrandum

2. quantum electrodynamics

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Etymology

Origin of Q.E.D.

First recorded in 1810–20, Q.E.D. is from Latin quod erat dēmōnstrandum

Example Sentences

The New York Times critic Jason Zinoman saw Mollica in September at Q.E.D. and tweeted that his show was “sweet not sappy, intricate, Birbiglian storytelling.”

From New York Times

In fact, GameStop started falling after the announcement, Q.E.D.

From Los Angeles Times

One of the few New York City comedy clubs blessed with a backyard, Q.E.D., also in Astoria, began hosting live comedy last week on its patio, protecting audience members with abundant health precautions.

From New York Times

For fans who prefer to stay home, Q.E.D. is selling discounted tickets to watch the live shows on Zoom.

From New York Times

I traveled to the comedy and arts space Q.E.D. in Astoria, Queens, over an hour from my apartment, because their mics were free and said to be supportive.

From New York Times