plural noun
Ni·​tro·​bac·​te·​ra·​ce·​ae | \ ¦nī-(ˌ)trō-(ˌ)bak-tə-¦rā-sē-ˌē How to pronounce Nitrobacteraceae (audio) \
variants: or less commonly Nitrobacteriaceae \ ¦nī-​(ˌ)trō-​(ˌ)bak-​ˌtir-​ē-​¦ā-​sē-​ˌē How to pronounce Nitrobacteriaceae (audio) \

Definition of Nitrobacteraceae

in some classifications
: a family of bacteria capable of using carbon dioxide as a source of carbon and obtaining energy by oxidation of ammonia or nitrites — see nitrifying bacterium

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 Nitrobacteraceae

New Latin, irregular from Nitrobacter, type genus + -aceae

Keep scrolling for more

Comments on Nitrobacteraceae

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


an enemy or opponent

Get Word of the Day daily email!

Test Your Vocabulary

Name That Thing: Animal Edition

  • alt 5a023732e6f75
  • Name that animal:
True or False

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

Word Winder's CrossWinder

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

Love words? Need even more definitions?

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