IAS or i.a.s.

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

• die-sinker
• die-sinkers
• die-sinking
• dies irae
• diesis
• dies nefasti
• dies non
• dies profesti
• die-stock
• die-stocks
• diestrus
• diestruses
• diet
• dietarian
• dietary
• dietary fibre
• diet drink
• dieted
• dieter
• dieters
• dietetic
• dietetical
• dietetically
• dietetics
• die the death