A字母開頭的單詞或詞組(第18頁)：
- amplitude factor
- anticipated revenue allotment
- aural scotoma
- anchor a vessel
- activity curve
- a white night
- albino rat
- Anopheles hyrcanus
- alkali increase test
- airborne debris
- almond camphor
- arsenorelapsing
- acute lupus
- asynchronous
- aforethought
- acid degradation
- angle of scattering
- anolyte compartment
- accelerator DM
- acceleration switch
- acceptable accounting principle
- adjustor
- acetas
- arc stabilizer
- arsamin
- Agamomermis culicis
- antitode
- acid spring
- alpaca
- afferent veins
- arteriae sublingualis
- acid ammonium tartrate
- altaite
- adenectomy
- americium oxide
- at any risk
- adjudicatio
- adjusted
- accouchement
- aluminum silicofluoride