Correct spelling for the English word "NETOEN" is [nˈɛtə͡ʊn], [nˈɛtəʊn], [n_ˈɛ_t_əʊ_n] (IPA phonetic alphabet).
There is no widely recognized definition or meaning for the term "NETOEN" in dictionaries or common usage. It appears to be a relatively uncommon or possibly a made-up word without a clear definition. Thus, it would not be appropriate to provide a 200-word dictionary definition for a term that does not exist in standard vocabulary.
However, if "NETOEN" was intended to be a typo or miscommunication of another word or term, it would be helpful to provide the correct term or further context to provide an accurate definition.