X-chromosome
A genetic double cross that empowers women with the ability to bear children and reserves for men the right to be colour-blind haemophiliacs.
Xenophobia
A pervasive fear and loathing of anything foreign, commonly voiced by Alf Garnett types as they dine on chilli con carne while enjoying Arnold Schwarzenegger on their Japanese VCRs.
X-ray
A diagnostic tool used to detect existing cancerous growths and create new ones for future examinations to reveal.
