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Euclid

[ yoo-klid ]

noun

  1. flourished c300 b.c., Greek geometrician and educator at Alexandria.
  2. a city in NE Ohio, near Cleveland.


Euclid

/ ˈjuːklɪd; juːˈklɪdɪən /

noun

  1. Euclid3rd century bc3rd century bcMGreekSCIENCE: mathematician 3rd century bc , Greek mathematician of Alexandria; author of Elements, which sets out the principles of geometry and remained a text until the 19th century at least
  2. the works of Euclid, esp his system of geometry


Euclid

/ yo̅o̅klĭd /

  1. Greek mathematician whose book, Elements , was used continuously until the 19th century. In it he organized and systematized all that was known about geometry. Euclid's systematic use of deductions and axioms was widely regarded as a model working method and influenced mathematicians and scientists for over two thousand years.


Euclid

  1. An ancient Greek mathematician; the founder of the study of geometry . Euclid's Elements is the basis for modern school textbooks in geometry. One of the basic statements, or postulates , of Euclid's geometry is that if a line and a point separate from it are given, only one line parallel to the first line can pass through the point.


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Notes

Albert Einstein used other approaches to geometry to derive the theory of relativity . These “non-Euclidean geometries” deny Euclid's postulate about parallel lines.

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Derived Forms

  • Euclidean, adjective

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Example Sentences

Al-Nayrīzī also attempted a proof of Euclid’s famous postulate about parallel lines never meeting.

Among his surviving works is a translation and commentary on Euclid’s Elements.

Mary Fairfax Somerville, who was deliberately kept out of the schoolroom by her practical parents, discovered Euclid in her family’s library and moved on from geometry to trigonometry and astronomy.

Similarly, University Circle police issued citations to 32 drivers from one ZIP code in Euclid, a city northeast of the hospital area.

Even the very first proposition in Euclid’s Elements isn’t perfect.

Two clear examples: One poster reads "EUCLID" in big letters.

His new book is Here's Looking at Euclid: A Surprising Excursion Through the Astonishing World of Numbers.

A few years ago, a Bosnian family named Vidovic came to Euclid, Ohio, to escape persecution by Serbs in an embattled region.

It fell into the three more or less isolated subjects of arithmetic, algebra and Euclid.

Audacity, ever excellent in war, is sound as a proposition of Euclid in operations against Asiatics.

Belle was to be godmother and had to be got down; which was impossible, as the jester Euclid says.

Yet, as we have shown, it is not found in Aristotle, Aristoxenus or Euclid—to say nothing of later writers.

The Greek philosophers are said to have posted on the doors of their schools "Let no one enter here who does not know his Euclid."

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