The CAMBRIDGE dictionnary gives this definition: Bacteriophage: masculine noun, a virus that grows and divides inside a bacterium, destroying it.Bacteriophages, also called phages, are viruses that infect bacteria. They are considered the natural predators of bacteria and play an important role in regulating their population. The bacteriophage has a relatively simple structure, consisting of a DNA or RNA genome encapsulated in a protein called […]