legionella

noun
le·​gion·​el·​la | \ˌlē-jə-ˈnel-ə \

Medical Definition of legionella 

1 capitalized : a genus of gram-negative rod-shaped bacteria (family Legionellaceae) that includes the causative agent (L. pneumophila) of Legionnaires' disease

2 plural legionellae\ -​ˌē\ also legionellas : a bacterium of the genus Legionella

Learn More about legionella

Share legionella

Comments on legionella

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

WORD OF THE DAY

by force of circumstances

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

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!