Pseudoword

A pseudoword or non-word is a unit of speech or text that appears to be an actual word in a certain language, while in fact it has no meaning in the lexicon. It is a kind of non-lexical vocable.

Such words without a meaning in a certain language or no occurrence in any text corpus or dictionary can be the result of (the interpretation of) a truly random signal, there will usually be an underlying deterministic source as is the case for: