Is QED in Oxford dictionary?

Is QED in Oxford dictionary? QED is an abbreviation for "quod erat demonstrandum" which means "that which was to be demonstrated" in Latin. It is commonly used in mathematics and philosophy to signify the completion of a proof or an argument.

Is QED in Oxford dictionary?

As a specialized content creation and marketing expert, I would like to address the question of whether or not "QED" is included in the Oxford dictionary. QED, an abbreviation of the Latin phrase "quod erat demonstrandum," is a widely used term in mathematics and logic. It is commonly employed at the end of a proof to denote that what was to be demonstrated has been proven. However, its presence in the Oxford dictionary may vary depending on the specific edition or version being referred to.

QED and its significance

The term QED holds substantial importance in mathematics, logic, and scientific communities. Its inclusion in the Oxford dictionary would arguably be highly desirable due to its widespread use and recognition. QED has been widely acknowledged and referenced by prominent mathematicians, logicians, and scientists throughout history. Its presence in the Oxford dictionary would solidify its status as a commonly used terminology acknowledged by established linguistic authorities.

Inclusion of QED in the Oxford dictionary

It is important to note that the contents and entries of the Oxford dictionary are regularly updated and revised to reflect the evolution of language and the inclusion of new terms. Given the significance of QED within academic domains, it is highly likely that the term has been included in one or more editions of the Oxford dictionary.

However, it is essential to consult the latest version or edition of the Oxford dictionary to determine the current status of QED's inclusion. The Oxford English Dictionary (OED), which is widely regarded as the authoritative reference for the English language, would be an excellent resource to ascertain the presence of QED.

The impact of QED's inclusion

If QED is indeed included in the Oxford dictionary, it would reinforce its linguistic importance and facilitate its wider acceptance as a standard term. The inclusion would provide a solid foundation for the understanding and usage of QED in scholarly and scientific papers, textbooks, and general discourse.

In addition, the inclusion of QED in the Oxford dictionary could contribute to its accessibility for language learners and individuals seeking to expand their mathematical and logical knowledge. As an officially recognized term, it could be referenced and cross-referenced across various publications, ensuring consistency and clarity in its usage.


While the specific inclusion of QED in the Oxford dictionary may not be explicitly mentioned without referring to a specific edition, it is safe to assume that the term has at some point been added considering its widespread usage and academic significance. The continuous updates and revisions of the Oxford dictionary further provide an optimistic perspective for the recognition and inclusion of QED. Whether explicitly mentioned or not, it is undeniable that QED holds immense importance within academic circles and is widely recognized as a fundamental term in logic and mathematics.

Therefore, individuals interested in exploring the presence of QED in the Oxford dictionary should refer to the latest edition, such as the Oxford English Dictionary, to obtain the most accurate and up-to-date information regarding its inclusion.

Frequently Asked Questions

Is QED in the Oxford dictionary?

Yes, QED is included in the Oxford dictionary.

What does QED stand for?

QED stands for "quod erat demonstrandum," which is a Latin phrase meaning "which was to be proved." It is often used to signify the completion of a mathematical proof.

Can you provide an example of QED being used in a sentence?

Sure, here's an example: "After a long and complex calculation, the mathematician finally reached the desired result, QED."

Is QED only used in mathematics?

No, QED is predominantly used in mathematics to mark the end of a proof. However, it can also be found in other fields such as philosophy, physics, and rhetoric to signify the completion of an argument or demonstration.

Is QED commonly used in everyday conversation?

No, QED is not commonly used in everyday conversation. It is primarily used in more formal settings, particularly in academic or scholarly contexts.