IAS or i.a.s.

1. Immediate access store (computing)
2. Immigration Advisory Service
3. Indicated air speed (aeronautics)
4. Instrument approach system

• codeines
• codename
• code-named
• codenames
• code-number
• code of conduct
• code of practice
• co-dependant
• co-dependants
• co-dependencies
• co-dependency
• co-dependent
• co-dependents
• coder
• coders
• codes
• code-sharing
• codes of conduct
• co-determination
• codetta
• codettas
• codeword
• codewords
• codex
• codfish