- autosomal recessive trait
- a freedom fighter
- ankylodactylia
- ankylosing spondylitis
- ankyloglossia
- a lemonade
- a sergeant
- anther
- aleurone grain
- antileptospira serum
- as a matter of course
- as a matter of habit
- a stunned state
- abyssinian cat
- antihisaminic drug
- alphabets
- aspergillosis
- asexual division
- adnexa
- amyloid nephrosis
- achieving a miracle
- achievements for the other world and in this world
- air_proof
- autovaccine
- agranulocytic angina
- automoniter routine
- automatic check
- automatic abstract
- auto index
- aperiodic (as a circuit)
- ad nauseam
- achool
- anamnestic reaction
- a psychopath
- antineoplastic drug
- arteria celiaca
- artemisia ludoviciana
- area vestibularis superio
- addressing virtual memory
- allow me
- analysed
- archaeozoic era
- analysis and synthesis
- analysis block
- a gigantic youngman
- according to one's duty
- as one's duty demands
- as one likes
- acute gout
- anti_intellectualist