[ ak-tin-oh-mahy-koh-sis, ak-tuh-noh- ]

nounVeterinary Pathology, Pathology.
  1. an infectious, inflammatory disease caused by Actinomyces israelii in humans and A. bovis in domestic animals, and characterized by lumpy, often suppurating tumors, especially, about the jaws.

Origin of actinomycosis

First recorded in 1880–85; actinomyc(es) + -osis

Other words from actinomycosis

  • ac·tin·o·my·cot·ic [ak-tin-oh-mahy-kot-ik, ak-tuh-noh-], /ækˌtɪn oʊ maɪˈkɒt ɪk, ˌæk tə noʊ-/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use actinomycosis in a sentence

  • In certain parts of Germany actinomycotic tumors are most frequently encountered in the throat region and in the jawbones.

    Special Report on Diseases of Cattle | U.S. Department of Agriculture

British Dictionary definitions for actinomycosis


/ (ˌæktɪnəʊmaɪˈkəʊsɪs) /

  1. a fungal disease of cattle and of cats and dogs, sometimes transmitted to humans esp by bites, characterized by a swelling of the affected part, most often the jaw or lungs: Nontechnical name: lumpy jaw

Derived forms of actinomycosis

  • actinomycotic (ˌæktɪnəʊmaɪˈkɒtɪk), adjective

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