pityriasis rubra pilaris

noun

pityriasis ru·​bra pi·​lar·​is -ˈrü-brə-pi-ˈlar-əs How to pronounce pityriasis rubra pilaris (audio)
: a chronic dermatitis characterized by the formation of papular horny plugs in the hair follicles and pinkish macules which tend to spread and become scaly plaques

Dictionary Entries Near pityriasis rubra pilaris

Cite this Entry

“Pityriasis rubra pilaris.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pityriasis%20rubra%20pilaris. Accessed 28 Mar. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!