- adoption
- adoption of a partisan attitude
- adoption of modern techniques
- acceptation
- affirmative action
- attestation report
- affirmatory
- affirmative
- acculturative
- administrative head of a
- amicus curiae brief
- amiculum
- advisory
- a pat on the back
- a parting of the ways
- a subsidy
- arse around
- ascii text file
- atavepiphysisstic epiphysis.
- aecidium
- a laundry—batch of clothes sent to or from a launderer in one lot
- and chhatti:sgaṛḥi: dialects
- a warm bath
- allergic encephalitis
- a small fry
- acidophillic cell
- acidolyse
- aciduric
- army ant
- aluminate
- ammine
- anionic compound
- arsenide
- azide
- acceptor
- anhydride
- acaracide
- Asian seabass
- aerobactor
- agro_forestal
- agrobiologic
- air classification
- athens
- amyloid neuropathy
- arterial phase
- antimicrobic
- antimissile
- antimicrobial susceptibility
- antimicrobial
- antimetabolite theory