an·​gio·​ker·​a·​to·​ma | \ ˌan-jē-ō-ˌker-ə-ˈtō-mə How to pronounce angiokeratoma (audio) \
plural angiokeratomas also angiokeratomata\ -​mət-​ə How to pronounce angiokeratomata (audio) \

Medical Definition of angiokeratoma

: a small, dark red or bluish, benign skin lesion that is composed of dilated capillaries in the upper dermis with accompanying overgrowth of the epidermis and that typically appears singly or in clusters as a raised spot with a scaly or wart-like surface … a skin lesion called angiokeratoma that often looks like a red rash … — Katie Charles, The Daily News (New York), 31 Dec. 2008 also : a condition marked by the presence of angiokeratomas She suffers from angiokeratoma, an ailment that causes bleeding and painful infections in her legs. — Dan Kinvig, The Star Phoenix (Saskatoon, Saskatchewan), 17 July 2004

Note: There are several types of angiokeratomas, including one ( angiokeratoma corporis diffusum ) associated with Fabry disease.

Learn More about angiokeratoma

Cite this Entry

“Angiokeratoma.” Medical Dictionary, Merriam-Webster, Accessed 7 Jul. 2020.

Comments on angiokeratoma

What made you want to look up angiokeratoma? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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