(n) (comp) compiler
(n) friction clutch
(n) FM tuner
(n) MMR vaccine (for measles, mumps and rubella)
(n) architecture
(P)
(adj-na) artifact
(n) armchair
(n) eye-catcher
(n) a capriccio (ita:)
(n) actuary
(n) (comp) access mechanism (e.g. disk)
actuator
(adj-na) acrobatic
(n) agriculture
(n) azathioprine
(n) azidothymidine
AZT
(n) athletics
(n) acetyl-CoA
acetyl-coenzyme A
(n) acetylcholine
(n) attachment
(n) accelerando
(n) atomoxetine (Strattera)
(n) adventure
(P)
(n) anesthetic
anaesthetic
(n) adventure (fre: aventure)
(n) (comp) aperture card
(n) Appalachian mountains
Appalachians
(n) amateur radio
(n) amylopectin
(adj-no) anti-American
(n,adj-no) (comp) anti-virus (e.g. software)