Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

nitrogen–fixer

noun

Definition of nitrogen–fixer

  1. :  any of various soil microorganisms that are involved in nitrogen fixation



1912

First Known Use of nitrogen–fixer

1912


Seen and Heard

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

WORD OF THE DAY

a timid, meek, or unassertive person

Get Word of the Day daily email!