Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Tom

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

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).

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