bacterium
bak ti ree uhm
- n (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
- Living things don't get a whole lot humbler than a bacterium, with its few hundred thousand genetic base pairs and its stripped-down physical design.
- While the streptococcus bacterium is very common -- it causes the strep throat that everyone catches sooner or later -- the publicized cases involve a deadly variant of the germ .
- There's no road map for how an organism that's not a bacterium lives and works together on this planet in numbers in excess of 6 billion.