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dermatograph

noun der·mat·o·graph \ (ˌ)dərˈmatəˌgraf , ˈdərmətə- \

Definition of dermatograph

: an instrument for producing markings on the skin: such as
a : a crayon used by surgeons to outline internal organs on the body surface
  • sketch the outline of the liver with a dermatograph on the abdominal skin
b : a crayon used to test for allergies

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Origin and Etymology of dermatograph

dermat- + -graph

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