| A | B |
|---|
| a priori | being without examination or analysis |
| ablutionary | of or relating to the washing of one's body or part of if (as in a religious rite) |
| abnegate | deny, surrender |
| abrachia | congential absence of the arms |
| abscess | a localized collection of pus surrounded by inflamed tissue |
| abysmal | immeasurably low or wretched |
| acarid | a typical mite |
| acarophbia | an abnormal fear of mites and other small insects or worms |
| acarpous | producing no fruit; sterile |
| accelerograph | an accelerometer equipped to measure and record ground motion during an earthquake |
