Euler's circles

/ (ˈɔɪləz) /

pl n

logic a diagram in which the terms of categorial statements are represented by circles whose inclusion in one another represents the inclusion of the extensions of the terms in one anotherCompare Venn diagram

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Question 1 of 7
This tall, horizontally branched cactus is probably the most recognizable cactus in Arizona. What is it called?

Word Origin for Euler's circles

named after Leonhard Euler
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012