- alternative supply
- Alternative technology
- alternative tourism
- always afloat
- amalgamate
- amalgamation
- amanita
- amaranth
- amaranthine
- ambassador
- amber malt
- ambient resource
- ambient temperature
- ambitious enterpriser
- ambitious plan
- ambulatory business
- ambulatory chattels
- ambulatory room
- amend
- amended invoice
- amending act
- amendment
- amendment advice
- amendment commission
- amendment fee
- amenities
- amenity package
- american
- American Airlines
- American bill
- american cheese
- American clause
- American dollar
- American option
- american plan
- American ton
- American topknot
- amicable allowance
- amicable composition
- amicable compositor
- amicable compounder
- amicable mediator
- amicable settlement
- amidships
- amilking centrifuge
- amino nitrogen
- ammonia
- ammonia compressor
- ammonia nitrogen
- ammonia pump
- amorphous sugar
- amortise
- amortization
- amortization expense
- amortization reserve
- amortized cost
- amortizing mortgage
- amount
- amount covered
- amount drawn
- amount dues
- amounts differ
- amphoteric surfactant
- amplitude
- amplitude modulation
- Amtorg
- amusement shares
- amyl alcohol
- amylograph
- amyloid
- amylolysis
- amylopectin
- amyloplastic
- amylose
- anabolic reaction
- anacard
- anaerobic fermentation
- anaerobic former
- analog
- analog signal
- analyser
- analysis column
- analysis list
- analysis paper
- analysis sheet
- analyst
- analytical approach
- analytical auditing
- analytical estimate
- analytical method
- analytical procedures
- analytical review
- analytical statement
- analyzer
- Anchor argument
- anchorage
- anchovy
- anchovy-paste
- ancillary materials
- ancillary statistics