English word xenogeology comes from English geology, English xeno-
| Dictionary entry | Language | Definition |
|---|---|---|
| geology | English (eng) | The geological structure of a region.. The science that studies the structure of the earth (or other planets), together with its origin and development, especially by examination of its rocks. |
| xeno- | English (eng) | From a foreign place, as in xenolith. Having to do with foreigners, as in xenophilia, or more commonly, xenophobia.. Relating to strangers or strangeness, as in xenodochy or xenomenia. |
| xenogeology | English (eng) | (science fiction, rare) Science of extraterrestrial geology. |