IAS or i.a.s.

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

• weighers
• weigh-house
• weigh-houses
• weigh in
• weigh-in
• weighing
• weighing-bottle
• weighing-bottles
• weighing-machine
• weighing-machines
• weighings
• weigh into
• weigh in with
• weigh off
• weigh out
• weigh-out
• weighs
• weight
• weighted
• weighted average
• weighted averages
• weightier
• weightiest
• weightily
• weightiness