The meaning of the Acronym XID is...

XID is

• X-linked Immune Defect

More Meanings For XID:

• Transaction Id
• eXchange IDentifier
• X/ Open transaction IDentifier
• X-linked Immune Defect
• Maxville, Ontario, Canada - Rail service

XID is also in:

• Airport Codes
• Drivers
• Human Genome
• Networking
• Software