areg - azeo
- average value
- averaged characteristic
- averaging method
- aversive conditioning
- avitaminosis
- avoador
- avocet
- Avogadro constant
- Avogadro hypothesis
- Avogadro number
- avoidance behavior
- avometer
- awaiting repair time
- awl-header
- awl-leaved
- awl-shaped
- awl-wort
- awn
- awned
- awnless
- awnlet
- axenic
- axenic cultivation
- axes
- axial area of screw channal
- axial betatron oscillations
- axial component
- axial compression
- axial filament
- axial injection
- axial lead
- axial lead former
- axial plane
- axial stability
- axial symmetry
- axial-flow resatron
- axial-vector
- axial-vector interaction
- axially excited laser
- axially symmetrical body
