A·da 
(ādə)
(ādə)n.
A programming language, similar to Pascal and developed for the US Department of Defense.
[After Ada Lovelace.]
- XPS
- x-radiation
- X-rated
- x-ray
- x-ray astronomy
- x-ray burster
- x-ray crystallography
- x-ray diffraction
- x-ray fish
- x-ray microscope
- x-ray photoemission spectroscopy
- x-ray spectrometer
- x-ray spectrometry
- x-ray spectroscope
- x-ray spectroscopy
- x-ray star
- x-ray therapy
- x-ray tube
- Xuthus
- Xuzhou
- xyl-
- xyl-
- xylan
- xylem
- xylene