Biographical Sketch. Summary. Biowarfare is the intentional use of microorganisms, and toxins, generally of microbial, plant or animal origin to produce disease and death in humans, livestock and crops. The. attraction of bioweapons in biowarfare and bioterrorism is attributed to easy access to a. wide range of disease-producing biological agents, to their low production costs, to. their non-detection by routine security systems, and to their easy transportation from.
Freebase(0.00 / 0 votes)Rate this definition: Copper is a chemical element with the symbol Cu and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is soft and malleable; a freshly exposed surface has a reddish-orange color.
Copper is also used in plumbing, roofing, industrial machinery, integrated circuits (computer chips), cookware, coins, and electric motors. Around 5% of copper is used to make metal alloys such as brass (mixed with zinc) and bronze (mixed with tin).