ring spot


Definition of ring spot

1 : any of various plant diseases caused by viruses (genus Nepovirus of the family Comoviridae) and marked by circular lesions of usually chlorotic or necrotic tissue
2 : a turf disease caused by an ascomycetous fungus (Leptosphaeria korrae synonym Ophiosphaerella korrae) and marked by circular patches or rings of dead grass

First Known Use of ring spot

1913, in the meaning defined at sense 1

Keep scrolling for more

Learn More about ring spot

Share ring spot

Statistics for ring spot

Look-up Popularity

Time Traveler for ring spot

The first known use of ring spot was in 1913

See more words from the same year

More from Merriam-Webster on ring spot

Rhyming Dictionary: Words that rhyme with ring spot

Comments on ring spot

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


a shady place in a garden or forest

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Word Winder's CrossWinder

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!