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[ak-tin-oh-mahy-koh-sis, ak-tuh-noh-] /ækˌtɪn oʊ maɪˈkoʊ sɪs, ˌæk tə noʊ-/
noun, Veterinary Pathology, Pathology.
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.
Also called lumpy jaw.
Origin of actinomycosis
First recorded in 1880-85; actinomyc(es) + -osis
Related forms
[ak-tin-oh-mahy-kot-ik, ak-tuh-noh-] /ækˌtɪn oʊ maɪˈkɒt ɪk, ˌæk tə noʊ-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for actinomycosis


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
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
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actinomycosis in Medicine

actinomycosis ac·ti·no·my·co·sis (āk'tə-nō-mī-kō'sĭs)
An inflammatory disease of cattle, hogs, and sometimes humans, caused by microorganisms of the genus Actinomyces and characterized by lumpy tumors of the mouth, neck, chest, and abdomen.

ac'ti·no·my·cot'ic (-kŏt'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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