IAS or i.a.s.

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

• readopts
• read out
• read-out
• read-outs
• reads
• read someone like a book
• read someone's mind
• read the riot act
• read up
• readvance
• readvances
• readvertise
• readvertised
• readvertisement
• readvertises
• readvertising
• readvise
• readvised
• readvises
• readvising
• read-write head
• read-write heads
• read-write memory
• ready
• readying