from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Biology A small-scale culture of organisms, cells, or tissues.
- n. Sociology The distinctive culture of a small group of people within a limited geographical area or within an organization such as a school or business.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A very small culture.
micro- + culture (Wiktionary)