noun Pathology.
  1. a disease resulting from infestation with Trichinella spiralis, occurring in humans, caused by ingestion of infested, undercooked pork, and characterized by fever, muscle weakness, and diarrhea.
Also trich·i·ni·a·sis [trik-uh-nahy-uh-sis] /ˌtrɪk əˈnaɪ ə sɪs/.

Origin of trichinosis

First recorded in 1865–70; trichin(a) + -osis Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for trichinosis

Historical Examples of trichinosis

  • Trichinosis is one of the most fatal of diseases, but fortunately is not common.

    Encyclopedia of Diet

    Eugene Christian

  • In about ten days the animal showed the most marked symptoms of trichinosis.


    T. Spencer Cobbold

  • On the 26th of April the animal seemed to be attacked with symptoms of Trichinosis.


    T. Spencer Cobbold

  • This causes a painful and often fatal disease known as trichinosis.

    A Civic Biology

    George William Hunter

  • Consequently his mind was in a whirl of icebergs, Maupassant, and trichinosis.

British Dictionary definitions for trichinosis


  1. a disease characterized by nausea, fever, diarrhoea, and swelling of the muscles, caused by ingestion of pork infected with trichina larvaeAlso called: trichiniasis (ˌtrɪkɪˈnaɪəsɪs)

Word Origin for trichinosis

C19: from New Latin trichina
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

Word Origin and History for trichinosis

"disease caused by trichinae," 1866, coined by Bernhard Rupprecht (1815-1877) from trichina (1835), Modern Latin, genus name of certain minute parasitic worms, from Greek trikhine, fem. of trikhinos "of or like hair," from thrix (genitive trikhos) "hair."

Online Etymology Dictionary, © 2010 Douglas Harper

trichinosis in Medicine


  1. A disease caused by eating undercooked meat, usually pork, that is infested with trichinae that develop as adults in the intestines and as larvae in the muscles and cause intestinal pain, fever, nausea, muscular pain, and edema.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

trichinosis in Science


  1. A disease caused by the parasitic nematode Trichinella spiralis that is ingested as larvae found in the muscle tissue of undercooked meat, especially pork. Once digested, the larvae develop into adult worms in the intestinal tract. Trichinosis is characterized by fever, intestinal pain, nausea, muscular pain, and edema.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

trichinosis in Culture



A disease caused by eating raw or undercooked pork infested with a kind of worm that lives as a parasite. The disease is characterized by nausea, diarrhea, and pain and swelling in the muscles.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.