The meaning of the Acronym CID is...

CID is

• Certified Internet Diver

More Meanings For CID:

• Compare and Ignore Data
• Central Intelligent Data
• Configuration, Installation, and Distribution
• Client Information Database
• Customer Interface Device
• Card Identification Digits
• Consider It Done
• Craft Interface Device
• Cell IDentification number
• Collision-Induced Dissociation
• Charge-Injection Device
• Chemistry Instructor Director
• Community Improvement District
• Cubic Inch Displacement
• Characters Per Inch

CID is also in:

• Assembly
• Awards & Medals
• Chemistry
• Databases
• Electronics
• General
• Networking
• Security
• SMS
• Telecom
• Unit Measures
• Universities