Noun
(ethnology) A branch of ethnology that emphasizes the relationship between people and the place in which they live or from which they come.
(philosophy) The idea that any intellectual subject can be treated as an independent topos which can be described and understood in purely mathematical terms.
(science fiction) A fictional science dealing with the theoretical problems and possibilities of attempts to extend and amplify one's mental potential, i.e. via technology, whether by humans, artificial intelligence or extraterrestrials.
Source: en.wiktionary.org