yellowsis

noun
yel·low·sis | \ˈyelōsə̇s\
plural yellowses\-ōˌsēz \

Definition of yellowsis 

: a photodynamic disease of Scottish sheep marked by dermatitis especially of the head and face with accumulation of cells and fluid in the subcutaneous spaces and by jaundice — compare geeldikkop

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for yellowsis

New Latin, from English yellow entry 1 + New Latin -sis

Keep scrolling for more

Learn More about yellowsis

Statistics for yellowsis

Look-up Popularity

Comments on yellowsis

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

WORD OF THE DAY

lying above or upon

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!