IAS or i.a.s.

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

• elbow out
• elbow-room
• elbow-rooms
• elbows
• elchee
• elchees
• elchi
• elchis
• eld
• elder
• elder abuse
• elderberries
• elderberry
• elderberry wine
• Elder brethren
• elder care
• elderflower
• elderflower water
• elder-gun
• elder-guns
• elder hand
• elder hands
• elderlies
• elderliness
• elderlinesses