In short and simple terms, "bt" is an abbreviation commonly used to refer to "bit," which is the smallest unit of digital information. It can represent either a 0 or a 1 in computer systems.
Sentences with «bt»
Biologists at the University of California at San Diego investigated the mechanism of Bt toxin in roundworms. (scientificamerican.com)
Sticking a GMO label on a food product doesn't tell you that it might actually have lower levels of Bt toxin than organically grown plants. (businessinsider.com)
To test predictions about resistance, Bruce Tabashnik and Yves Carriere in the College of Agriculture and Life Sciences analyzed the global data on Bt crop use and pest responses. (sciencedaily.com)