Definition of Tom-
Tom-: Or tomo- before a consonant. A combining form meaning a cut, section, slice or layer, as might be achieved by cutting or slicing. Used in the formation of compound words such tomography. From the Greek tomos (a cutting).
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=39844
Last Editorial Review: 6/14/2012
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