IPA: /ˌbaɪəˈrɛktər/
KK: /baɪəˈrɛktər/
A device used to grow living organisms, like bacteria or yeast, for producing useful substances or breaking down waste.
The scientists used a bioreactor to produce the vaccine efficiently.
Bioreactor → It is formed from "bio-" (from Greek "bios", meaning life) and "reactor" (from Latin "reactor", meaning one who acts in response). The word "bioreactor" refers to a device or vessel that supports a biologically active environment, essentially acting in response to biological processes.
Think of 'life' ('bio-') being supported in a device that 'acts' ('reactor') to create a suitable environment for biological reactions.