Dictionary.com
Thesaurus.com

bluetongue

American  
[bloo-tuhng] / ˈbluˌtʌŋ /

noun

Veterinary Pathology.
  1. a viral disease of sheep and sometimes cattle, transmitted by biting insects and characterized by high fever, excessive salivation, swelling of the face and tongue, and cyanosis of the tongue.


bluetongue 1 British  
/ ˌbluːˈtʌŋ /

noun

  1. an Australian lizard, Tiliqua scincoides , having a cobalt-blue tongue

"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

bluetongue 2 British  
/ ˌbluːˈtʌŋ /

noun

  1. vet science a viral disease of domestic and wild ruminants transmitted by arthropods and characterized by reproductive problems or vasculitis. Sheep, which are most frequently affected, develop swelling of the face and a cyanotic tongue

"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

Etymology

Origin of bluetongue

First recorded in 1860–65; blue + tongue

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Certainly that second case of bluetongue has extended our surveillance area so we will be carrying out investigations throughout the area," Mr McKeown said.

From BBC • Dec. 6, 2025

Moves of species susceptible to bluetongue on or off premises within the TCZ are prohibited while officials carry out further investigations.

From BBC • Nov. 29, 2025

Other issues set to dominate include the ongoing row over changes to inheritance tax rules for farmers, and restrictions to trade along the Welsh border as a result of bluetongue disease.

From BBC • Jul. 20, 2025

Sheep, cattle and goats from across the border have been banned this year as part of efforts to keep bluetongue out of Wales.

From BBC • Jul. 20, 2025

Restrictions brought in to try to prevent the bluetongue virus spreading to livestock in Wales are futile and impractical, farming unions have said.

From BBC • Jun. 28, 2025