Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

actinomycosis

play
noun ac·ti·no·my·co·sis \-mī-ˈkō-səs\

Definition of actinomycosis

  1. :  infection with or disease caused by actinomyces; especially :  a chronic disease of cattle, swine, and humans characterized by hard granulomatous masses usually in the mouth and jaw

ac·ti·no·my·cot·icplay \-ˈkä-tik\ adjective


Origin of actinomycosis

New Latin


First Known Use: 1881


Medical Dictionary

actinomycosis

play
noun ac·ti·no·my·co·sis \ˌak-tə-nō-ˌmī-ˈkō-səs\

Medical Definition of actinomycosis

plural ac·ti·no·my·co·ses \-ˌsēz\play

  1. :  infection with or disease caused by actinomyces; especially :  a chronic disease of cattle, swine, and humans characterized by hard granulomatous masses usually in the mouth and jaws—see actinomycoma

  2. ac·ti·no·my·cot·ic \-ˈkät-ik\play adjective




Learn More about actinomycosis


Seen and Heard

What made you want to look up actinomycosis? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 9, 2016

marked by high spirits and laughter

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

duvet kittly-benders pince-nez spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ