a Chinese puzzle consisting of a square cut into five triangles, a square, and a rhomboid, which can be combined so as to form a great variety of other figures.
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How to use tangram in a sentence
One remarkable thing about these tangram pictures is that they suggest to the imagination such a lot that is not really there.Amusements in Mathematics | Henry Ernest Dudeney
tangram, tan′gram, n. a Chinese puzzle, consisting of a square of wood cut into seven pieces of various shapes.
British Dictionary definitions for tangram
a Chinese puzzle in which a square, cut into a parallelogram, a square, and five triangles, is formed into figures
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