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chalk talk

a talk or lecture in which the speaker illustrates points by drawing on a blackboard:
The coach gave a chalk talk before the big game.
Origin of chalk talk
1830-40, Americanism Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for chalk talk
  • At the blackboard, a supervisor is giving a chalk talk about how to bow.
British Dictionary definitions for chalk talk

chalk talk

(US & Canadian) an informal lecture with pertinent points, explanatory diagrams, etc, shown on a blackboard
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
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