4. (noun)culture (biology) the growing of microorganisms in a nutrientmedium (such as gelatin or agar)
"the culture of cells in a Petri dish"
5. (noun)polish, refinement, culture, cultivation, finish a highly developed state of perfection; having a flawless or impeccable quality "they performed with great polish"; "I admired the exquisite refinement of his prose"; "almost an inspiration which gives to all work that finish which is almost art"--Joseph Conrad
6. (noun)culture the attitudes and behavior that are characteristic of a particularsocialgroup or organization "the developing drug culture"; "the reason that the agency is doomed to inaction has something to do with the FBI culture"
7. (noun)culture the raising of plants or animals
"the culture of oysters"
8. (verb)culture grow in a specialpreparation "the biologist grows microorganisms"