| tattoo | An indelible mark or figure made by puncturing the skin and introducing some pigment into the punctures; a mode of ornamentation practiced by various barbarous races, both in ancient and modern times, and also by some among civilized nations, especially by sailors. Source: Websters Dictionary (01 Mar 1998) |
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| tattooing | The insertion of permanent colours in the skin by introducing them through punctures. Tattooing of the cornea is the permanent colouring of the cornea chiefly to conceal leukomatous spots. (12 Dec 1998) |
| amalgam tattoo | A bluish-black or gray macular lesion of the oral mucous membrane caused by accidental implantation of silver amalgam into the tissue during tooth restoration or extraction. (05 Mar 2000) |
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