Rhodospirillum

noun
Rho·​do·​spirillum | \ ¦rō(ˌ) dō+\

Definition of Rhodospirillum

: a genus of spiral actively motile bacteria (family Athiorhodaceae) that live in mud and stagnant water and are held to fix atmospheric nitrogen

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for Rhodospirillum

New Latin, from rhod- + Spirillum

Keep scrolling for more

Comments on Rhodospirillum

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

WORD OF THE DAY

to make a payment or contribution

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Add Diction

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!