| Vulcan | English | Description | Category |
|---|---|---|---|
| sih-da-sfek | X-axis | the horizontal axis of a two-dimensional Cartesian coordinate system; one of three axes in a three-dimensional Cartesian coordinate system | math |
| vak-zehl | x-ray | a relatively high-energy photon used for their penetrating power in radiography, radiology, radiotherapy, and scientific research (noun) | medicine |
| vak-zehl-tor | x-ray | to irradiate with x-rays; to photograph with x-rays (verb) | medicine |
| kas-kin-kurek | xanthophyll | a yellow carotenoid pigment, C40H56O2, found with chlorophyll in green plants and identical with lutein; any of various related yellow pigments | plant |
| kas-kin-kurek | xanthophyll | a yellow carotenoid pigment found with chlorophyll in green plants and identical with lutein; any of various related yellow pigments | colour |
| akan-ha-talu | xenobiologist | a scientist who studies the biology of extraterrestrial life | occupation |
| akan-ha-tal | xenobiology | a field within biology which considers the possible variety of extraterrestrial life; it is the study of species' not native to the planet | science |
| vi-kwitau-kov | xenolith | a rock fragment foreign to the igneous mass in which it occurs | geology |
| ritsuri-tukh | xenon | a colorless, odorless, highly unreactive gaseous element found in minute quantities in the atmosphere | element |
| ri-fainusu-pthak | xenophobia | an irrational fear of foreigners or strangers or other species | medicine |
| neik-masu'es-kasik | xeric | of, characterized by, or adapted to an extremely dry habitat | geology |
| neik-masu'es-kastik | xerophyte | a plant adapted to living in a dry arid habitat; a desert plant | plant |
| K'lan-ne | Xir'tan continent ("New K'lan") | a small settlement on the northern coase of the continent of Xir'tan; it serves as an embarkation/drop-off point and resupply centre for expeditions; the settlements attract the "misfits" of Vulcan society, including the followers of Tu-Jarok | geography |
| K'lan | Xir-tan - city | former settlement on Xir-tan; sank under the sea | geography |
| K'lan-ne | Xir-tan - city | small settlement on Xir-tan; means New K'lan | geography |
| Xon | Xon | he was to have been Enterprise's new science officer in ST II, the aborted 1977 TV series | individual |
| tvi-tin t'lap-vukhut | xylem | the supporting and water-conducting tissue of vascular plants, consisting primarily of tracheids and vessels; woody tissue | plant |
| lapan-slor-tukh | xylose | the white crystalline sugar, C5H10O5, used in dyeing and tanning and in diabetic diets; also called wood sugar | food |
18 terms found.