|bioreactor (bī'ō-rē-āk'tər) Pronunciation Key
An apparatus, such as a large fermentation chamber, for growing organisms such as bacteria or yeast under controlled conditions. Bioreactors are used in the biotechnological production of substances such as pharmaceuticals, antibodies, or vaccines, or for the bioconversion of organic waste.
|a chattering or flighty, light-headed person.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|