blister rust

noun Plant Pathology.

a disease, especially of white pines, characterized by cankers and in the spring by blisters on the stems, caused by a rust fungus of the genus Cronartium.

Nearby words

  1. blister,
  2. blister beetle,
  3. blister copper,
  4. blister gas,
  5. blister pack,
  6. blister steel,
  7. blistering,
  8. blisteringly,
  9. blistery,
  10. blit

Origin of blister rust

First recorded in 1915–20 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for blister rust

blister rust


a disease of certain pines caused by rust fungi of the genus Cronartium, causing swellings on the bark from which orange masses of spores are released
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012