- aerially
- an aerometer
- automysophobia
- airway obstruction
- air pollution
- antirikettsial
- allogenic graft
- anaerobic spore bearer
- a dressing table
- a moor
- amaryllis
- amphetamine
- a vanguard
- antibiotic sensitivity
- all night
- anthelminitic testing
- antibacterial drug specificity
- amidophen
- alveolingual sulcus
- alveolar index
- absolute frequency
- arachnidism
- a cord
- antifreeze
- accumulator shift instruction
- a fish out of water
- a vow to be broken
- anything said or uttered
- abettor
- abetter
- agent provocateur
- aged without experience
- allegorize
- as the case may be
- as things go
- acreage
- antilogarithm
- air velocity index
- artificially acquired immunity
- a woman's husband
- action area
- aphasic attack
- aleger
- absolute or arbitrary government
- a lover of antiquity
- a maker of statues
- aenolithic
- a weakling's wife attracts all eyes
- a raised sand_ bag cover (in gun_fight)
- application of poultice