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show and tell

noun
1.
an activity for young children, especially in school, in which each participant produces an object of unusual interest and tells something about it.
2.
Facetious. any informative presentation or demonstration, as to introduce a new product or divulge and explain a special plan.
Origin
1950-1955
1950-55
Related forms
show-and-tell, adjective
show-and-teller, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Idioms and Phrases with show-tell

show and tell

A public presentation or display, as in It was a terrible bore, what with their show and tell of every last detail about their trip around the world. This expression originated in the 1940s to describe a learning exercise for young children, in which each child in a group brings some object to show the others and talks about it.
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Difficulty index for show and tell

Few English speakers likely know this word

Word Value for show

10
9
Scrabble Words With Friends

Quotes with show-tell