Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

ring spot

noun

Definition of ring spot

  1. 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. 2 :  a turf disease caused by an ascomycetous fungus (Leptosphaeria korrae syn. Ophiosphaerella korrae) and marked by circular patches or rings of dead grass



1923

First Known Use of ring spot

1923


Seen and Heard

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

WORD OF THE DAY

a very small amount

Get Word of the Day daily email!