ASA

1. Advertising Standards Authority
2. Amateur Swimming Association
3. American Standards Association (now known as ANSI, but still used to denote the speed of photographic film)

• blockade
• blockaded
• blockade-runner
• blockade-runners
• blockades
• blockading
• blockage
• blockages
• block and tackle
• block and tackles
• blockboard
• blockboards
• block-book
• block-books
• blockbuster
• blockbusters
• blockbusting
• blockbustings
• block capital
• block capitals
• block-chain
• block-chains
• block-coal
• block-coals
• block diagram