bacterium

(सूक्ष्मजीवविज्ञान) ब्याक्टेरिया; विभाजनद्वारा प्रजनन गर्ने एककोषीय जीव

(microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants