noun Mathematics, Symbolic Logic.
a diagram that uses circles to represent sets and their relationships.
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Origin of Venn diagram
1940–45; named after John Venn (1834–1923), English logician
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
maths logic a diagram in which mathematical sets or terms of a categorial statement are represented by overlapping circles within a boundary representing the universal set, so that all possible combinations of the relevant properties are represented by the various distinct areas in the diagram
Word Origin for Venn diagram
C19: named after John Venn (1834–1923), English logician
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
1884, named for English logician John Venn (1834-1923) of Cambridge, who explained them in the book "Symbolic Logic" (1881).
Online Etymology Dictionary, © 2010 Douglas Harper
A diagram that uses circles to represent sets, in which the relations between the sets are indicated by the arrangement of the circles. For example, drawing one circle within another indicates that the set represented by the first circle is a subset of the second set. The Venn diagram is named after its inventor, British mathematician John Venn (1834-1923).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.