CAT scan

CAT scan

[kat]
noun
1.
an examination performed with a CAT scanner.
2.
an x-ray image obtained by examination with a CAT scanner.
Also, CT scan.

Origin:
1970–75; c(omputerized) a(xial) t(omography)

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Etymonline
Word Origin & History

CAT scan
1975; see CAT.
Online Etymology Dictionary, © 2010 Douglas Harper
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00:10
Cat scan is always a great word to know.
So is doohickey. Does it mean:
a gadget; dingus; thingumbob.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
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American Heritage
Science Dictionary
CAT scan   (kāt)  Pronunciation Key 
Short for computerized axial tomography scan. An image of a body structure produced by computerized axial tomography.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
CAT scan [(kat)]

A three-dimensional image of a cross section of the body made with x-rays that is useful in diagnosing disease (for example, in detecting tumors). CAT stands for computerized axial tomography, the name of the method used to produce the image.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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