- any of several rod-shaped or spherical soil bacteria of the genus Azotobacter, important as nitrogen fixers.
Origin of azotobacter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any bacterium of the family Azotobacteriaceae, important in nitrogen fixation in the soil
New Latin; see azote, bacteria
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012