tomography

noun

to·mog·ra·phy | \ tō-ˈmä-grə-fē

Definition of tomography

: a method of producing a three-dimensional image of the internal structures of a solid object (such as the human body or the earth) by the observation and recording of the differences in the effects on the passage of waves of energy impinging on those structures — compare computed tomography

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Now, in the narrow-field mode, GALACSI and MUSE used a new adaptive optics technology called laser tomography to correct for nearly all of the atmospheric interference impeding the telescope, although for a smaller area of the sky. — Jay Bennett, Popular Mechanics, "New Technology Allows Ground Telescope to Take Sharper Images Than Hubble," 18 July 2018 The two-stage AI system takes a more human-like approach to analyzing patients' optical coherence tomography (OCT) scans of their retinas. — Christopher Carbone, Fox News, "AI tool 'as good as experts' at detecting eye problems, scientists say," 14 Aug. 2018 In this case, the data is 3D scans of patients’ eyes made using a technique known as optical coherence tomography, or OCT. — James Vincent, The Verge, "DeepMind’s AI can detect over 50 eye diseases as accurately as a doctor," 13 Aug. 2018 This imaging technique is called optical coherence tomography. — Chris Lee, Ars Technica, "Metamaterial-equipped endoscope reveals your innermost secrets," 4 Aug. 2018 He is now convinced that phase-contrast tomography alone is not sufficient to read the Herculaneum scrolls in any meaningful way. — Henrik Knudsen, Smithsonian, "Buried by the Ash of Vesuvius, These Scrolls Are Being Read for the First Time in Millennia," 26 June 2018 The eye scans had been conducted using a technique called optical coherence tomography. — The Economist, "The eye's structure holds information about the health of the mind," 28 June 2018 Optical coherence tomography disc This device measures how light interacts with tissue to determine the body’s chemical makeup. — Elizabeth Stinson, WIRED, "This Gadget Communicates Human Emotions Through Touch," 22 May 2018 The Sleeve, which is far from production ready, is able to read biomarkers like heart rate, blood sugar, and stress levels through an optical tomography sensor that peers into the skin. — Elizabeth Stinson, WIRED, "What Artists Can Teach Us About Making Technology More Human," 10 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tomography.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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The first known use of tomography was in 1935

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tomography

noun

to·mog·ra·phy | \ tō-ˈmäg-rə-fē

plural tomographies

Medical Definition of tomography

: a method of producing a three-dimensional image of the internal structures of a solid object (as the human body) by the observation and recording of the differences in the effects on the passage of waves of energy impinging on those structures

— called also stratigraphy

— see computed tomography, positron-emission tomography