dermatographia

[ der-mat-uh-graf-ee-uh, dur-muh-tuh- ]
/ dərˌmæt əˈgræf i ə, ˌdɜr mə tə- /

noun Medicine/Medical.

a condition in which touching or lightly scratching the skin causes raised, reddish marks.
Also der·ma·tog·ra·phism [dur-muh-tog-ruh-fiz-uh m] /ˌdɜr məˈtɒg rəˌfɪz əm/, dermographia, dermographism.

Origin of dermatographia

From New Latin, dating back to 1850–55; see origin at dermato-, -graphy

OTHER WORDS FROM dermatographia

der·mat·o·graph·ic, adjective