What does XO stand for?
XO stands for Genetic Code for Turner's Syndrome
This definition appears very rarely and is found in the following Acronym Finder categories:
- Science, medicine, engineering, etc.
See other definitions of XO
- XNU Is Not Unix
- Christo (Latin: To Christ, epigraphy)
- Crossover Track (railroads)
- Crystal Oscillator
- Excess Officer (US Military humor)
- Executive Officer
- Expenditure Order
- Extra Old
- eXtra Ordinary
- Extremely Old