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Medical Dictionary

patch

play
noun \ˈpach\

Medical Definition of patch

  1. 1a:  a piece of material used medically usually to cover a wound or repair a defect—see patch graftb:  a usually disk-shaped piece of material that is worn on the skin and contains a substance (as a drug) that is absorbed at a constant rate through the skin and into the bloodstream <a nicotine patch>—called also skin patchc:  a shield worn over the socket of an injured or missing eye

  2. 2:  a circumscribed region of tissue (as on the skin or in a section from an organ) that differs from the normal color or composition <sometimes great white patches develop on the tongue, the cheeks, and the gums—Morris Fishbein>

patch transitive verb
patchy \-ē\play adjective patchier; est




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