staphylococcus

noun staph·y·lo·coc·cus \ -ˈkä-kəs \

Definition of staphylococcus

plural staphylococci play \-ˈkä-ˌkī, -(ˌ)kē; -ˈkäk-ˌsī, -(ˌ)sē\
: any of a genus (Staphylococcus) of nonmotile gram-positive spherical bacteria that occur singly, in pairs or tetrads, or in irregular clusters and include causative agents of various diseases (such as skin infections, food poisoning, and endocarditis)

Recent Examples of staphylococcus from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'staphylococcus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of staphylococcus

New Latin, from Greek staphylē bunch of grapes + New Latin -coccus


Medical Dictionary

staphylococcus

noun staph·y·lo·coc·cus \ ˌstaf-ə-lō-ˈkäk-əs \

medical Definition of staphylococcus

1 capitalized : a genus of nonmotile gram-positive spherical bacteria that is placed in either of two families (Staphylococcaceae or Micrococcaceae), contains forms occurring singly, in pairs or tetrads, or in irregular clusters, and includes causative agents of various diseases and disorders (as food poisoning, skin infections, and endocarditis)
2 plural staphylococci play \-ˈkäk-ˌ(s)ī\ : any bacterium of the genus Staphylococcus; broadly : micrococcus 2

Learn More about staphylococcus


Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

of very fine texture or delicate form

Get Word of the Day daily email!

Test Your Vocabulary

Star Wars Words Quiz

  • cu-jedi-training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!