ichthyophthirius

noun
ich·​thy·​oph·​thir·​i·​us | \ ˌik-thē-äf-ˈthir-ē-əs How to pronounce ichthyophthirius (audio) \

Medical Definition of ichthyophthirius

1 capitalized : a genus of oval ciliates (order Holotricha) that are included in a single species (I. multifiliis) and are parasitic in the skin of various freshwater fishes where they encyst and multiply causing a severe and sometimes fatal inflammation
2 : ich

Learn More about ichthyophthirius

Cite this Entry

“Ichthyophthirius.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ichthyophthirius. Accessed 18 Jan. 2021.

Comments on ichthyophthirius

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

WORD OF THE DAY

Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

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