Internet-related prefixes as a cultural reference to the rising popularity at that time of the prefix in product names. The word "virtual" is used in a similar way to the prefixes above, but it is an adjective instead of a prefix. For example, it is used in the terms "virtual reality", "virtual world", and "virtual sex". These prefixes are productive. Michael Quinion notes that most of these formations are nonce words that will never be seen again. He writes that new terms such as "e-health" are unneeded; in this case "telemedicine" already exists to describe the application of telecommunications to medicine. He
Ahtna language Athabaskan Dictionary." Because of the different Ahtna dialects, people may say the same words differently. Possession is indicated by prefixes. s- 'my', u- or yu'- 'his/her', ne- 'our'; as in snaan 'my mother', unaan (or yu'naan) 'his/her mother', nenaan 'our mother'. Verbs are primarily prefixing. There are often six or more prefixes before the stem and then one or more suffixes. (1a) displays a surface form in Ahtna spelling while (1b) is the verb theme. Three prefixes are present that have to be listed with the stem to make up the form. Anything adjacent in a verb theme can be