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

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

Learn More about Nitrobacteraceae

Share Nitrobacteraceae

Statistics for Nitrobacteraceae

Look-up Popularity

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).


marked by shyness and lack of polish

Get Word of the Day daily email!

Test Your Vocabulary

Liar, Liar Quiz

  • alt-5761dbe2ba986
  • Someone who pretends to be sick in order to avoid work is a:
True or False

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

Syn City

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!