a map of a set to itself in which each element of a given subset of the set is mapped to itself.
THIS WEEK’S WORD OF THE DAY QUIZ IS POSITIVELY FELICIFIC
Do you study our Words of the Day with great assiduity? See how many you remember from March 30 to April 5!
Question 1 of 7
Origin of inclusion map
First recorded in 1945–50
Words nearby inclusion map
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020