- apple pie
- a drowning man catches at a straw
- a dining table_cloth to place dishes etc. on
- alcohol_soluble extractive
- angle of declination
- an invitation (letter)
- a tumult to be raised
- Acheta domestica
- a tragedy
- arciform
- apologetics
- angelology
- a popular metre (couplet) in mediaeval hindi poetry
- arabin
- azafluorenes
- amphipod
- a poet of the nation
- amaterasu
- airmail
- a kind of medicinal plant
- asynchronous transmission
- asynchronous time division multiplexing
- antibiotic spectrum
- antitoxin serum
- antibiotic resistance
- amphoteric ion
- amphiprotic
- amphoric breathing
- actinomycotic vulvovaginitis
- auri chloride
- aristotelean
- auris haematoma
- adlai stevenson
- amen cadence
- anton bruckner
- atlantic puffin
- a know_all
- a pot made out of scooped gourd
- a performer who enacts the exploits of krishṉā and represents episodes from his life on the stage
- a period of conjunction of two stages or states
- a colt
- a hemp_rope
- arthritides
- arthritis deformans
- arthritis mycoplasma granularum
- an enumerator
- arenaria groenlandica
- agar
- agar cup_plate method
- agar gel