Dictionary.com
definitions
  • synonyms

ring spot

noun Plant Pathology.
  1. any of various plant diseases caused by a virus or fungus and characterized by concentric rings of discoloration or necrosis on the leaves.
Show More

Origin of ring spot

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ring spot

Historical Examples