REJ meaning in Computer and Networking ?

What is Reject mean?

Rejection, or the verb reject, may refer to:

Social rejection, in psychology, an interpersonal situation that occurs when a person or group of people exclude an individual from a social relationshipTransplant rejection, in medicine, the immune reaction of a host organism to a foreign biological tissue, such as in a transplantationIn telecommunications, rejection is the receiving of the desired signal without interference from another undesired one.In basketball, rejection is a slang term for a blockIn mathematics, the rejection of a vector a from a vector b is the component of a perpendicular to b, as opposed to its projection, which is parallel to b.In statistics, rejection of a null hypothesis in favour of an alternative hypothesis when doing a hypothesis test.In statistics, rejection sampling is a technique used to generate observations from a distributionIn zoology, the shunning of one or more animals in a litterRejection of Jesus, described in the New Testament reference