[ 'eɪlɪəs ]
■ adverb also known as.
■ noun
1》 a false or assumed identity.
2》 Computing an alternative name or label that refers to a file, command, or address, and can be used to locate or access it.
3》 Physics & Telecommunications each of a set of signal frequencies which, when sampled at a given uniform rate, would give the same set of sampled values and thus be indistinguishable.
■ verb Physics & Telecommunications misidentify (a signal frequency), introducing distortion or error.
Origin
ME: from L., 'at another time, otherwise'.