Invasion and multiplication of pathogenic microorganisms in the body is called an infection. When we are infected by pathogens we become sick, which means that our bodies stop functioning properly. Infectious agents, such as bacteria, a virus, fungi or protozoa cause communicable diseases.
verb (used with object), cc'ed or cc'd, cc'ing. 1. to send a duplicate of a document, email, or the like to: I always cc my boss when I write a memo to my staff. 2. to send (a duplicate of a document, email, or the like) to someone: Jim, please cc this to each of the department heads. Origin of cc.
A relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons. Classified under: Nouns denoting cognitive processes and contents. Synonyms: QED; quantum electrodynamics. Hypernyms (QED is a kind of...): quantum field theory (the branch of quantum physics that is concerned with the theory of fields; it was motivated by the question of how an atom radiates light as its electrons jump from excited states).