- a grub
- anamorphic
- a light cannon
- affective psychosis
- affective reaction type
- an army: a multitude
- advisor
- adviser
- an insurer
- a mythical being with human figures and a head of horse or with a horse's body and the head of a man
- a man's spouse
- a respectful word used by a woman for her husband's younger sister
- apostrophize
- accretion
- a weaver's spindle
- a sister_in_law— wife's sister
- a brother_in_law— wife's brother
- amblyomma
- application of a sorcerer's spell
- area variable
- a week last tuesday
- atopic erythroderma
- anterior root
- articles placed in advance at the auspicious moment in the direction in which one is to journey (in case one's departure is delayed due to some reason)
- as a suffix it means 'wise' on the basis of (as
- actions speak louder than words
- abjuration
- animosity
- a woman's paternal home
- a raised platform where a deity's image is installed
- any illusive object
- a prelude to singing
- abdominal incision
- abdominal compression
- abdominal tap
- ammonite
- ammonium phosphomolybdate
- ammonium ion
- antimonious
- audio cassette
- audio compression
- audio codec
- audio chain
- anna eleanor roosevelt
- alloxuremia
- angostura bridge
- anapsida
- a trace
- an assembly wherein beautiful damsels abound
- anaphora