to·mog·ra·phy (t?-m?g?r?-f?)n. Any of several techniques for creating three-dimensional images of the internal structure of a solid object by analyzing the propagation of waves of energy, such as x-rays or seismic waves, through the object.[Greek tomos, section; see tome + -graphy.]to?mo·gram? (t??m?-gr?m?) n.to?mo·graph? (-gr?f?) n.to?mo·graph?ic adj.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.tomography (t??m??r?f?) n (Medicine) any of a number of techniques used to obtain an X-ray photograph of a selected plane section of the human body or some other solid object[C20: from Greek tom? a cutting + -graphy]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014to?mog?ra?phy (t??m?g gr? fi) n. a method of making x-ray photographs of a selected plane of the body. [1935?40] to?mo?graph?ic (?to? m??græf ?k) adj. to?mo?graph` (-?græf, -?gr?f) n. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.tomographyx-ray photography of a selected plane of the body by a method that eliminates the outline of structures in other planes. ? tomographic, adj.See also: Radiationx-ray photography of a thin cross section of tissue.See also: Photography-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.