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psorosis

American  
[suh-roh-sis] / səˈroʊ sɪs /

noun

Plant Pathology.
  1. a disease of citrus trees, characterized by a scaly, rough bark, yellow-flecked leaves, and stunting, caused by a virus.


Etymology

Origin of psorosis

From New Latin, dating back to 1895–1900; psora, -osis