| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
bacteriology bac·te·ri·ol·o·gy (bāk-tēr'ē-ŏl'ə-jē)
n.
The study of bacteria, especially in relation to medicine and agriculture.
| bacteriology (bāk-tîr'ē-ŏl'ə-jē) Pronunciation Key
The scientific study of bacteria, especially bacteria that cause disease. |