cheilosis
noun
chei·lo·sis
kī-ˈlō-səs 
plural cheiloses
-ˌsēz
: an abnormal condition of the lips characterized by scaling of the surface and by the formation of fissures in the corners of the mouth
Cite this Entry
“Cheilosis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/cheilosis. Accessed 6 Dec. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share