na·no·bac·te·ri·um 
(năn′ə-băk-tîrē-əm)
(năn′ə-băk-tîrē-əm)n. pl. na·no·bac·te·ri·a (-tîrē-ə)
A calcified, crystalline particle smaller than 200 nanometers in diameter (the diameter of the smallest bacteria), hypothesized to be a self-replicating microorganism that can cause pathogenic calcification, as in arteriosclerosis and kidney stones.
- North Atlantic Drift
- North Atlantic Ocean
- North Bay
- northbound
- north by east
- north by west
- North Canadian River
- North Cape
- North Carolina
- North Carolinian
- North Dakota
- North Dakotan
- North Downs
- northeast
- northeast by east
- northeast by north
- Northeast Caucasian
- northeaster
- northeasterly
- northeastern
- Northeast Passage
- northeastward
- northeastwardly
- northeastwards
- norther