ichthyophthirius

noun
ich·thy·oph·thir·i·us | \ˌik-thē-äf-ˈthir-ē-əs \

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

Share ichthyophthirius

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

evasion of direct action or statement

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
True or False

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

TAKE THE QUIZ
SCRABBLE® Sprint

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

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!