- aspematogenesis
- aspen
- aspen blotchminer
- aspen leaf beetle
- asper
- asperate
- aspergillin
- aspergillosis
- aspergillus
- aspergillus disease
- aspergillus flavus toxin
- aspergillus niger
- aspergillus oryzae
- aspergillus parasiticus
- aspergillus proteinase
- aspergillus rot of citrus fruit
- asperifoliate
- asperity
- aspermatism
- aspermia
- aspermous
- asperous
- aspersus
- aspertoxin
- asperulate
- asphalt
- asphalt bearing
- asphalt canal lining
- asphalt carrier
- asphalt content
- asphalt grouting
- asphalt innerlined
- asphalt paper
- asphaltbearing
- asphaltic bitumen
- asphaltic product
- asphaltinnerlined
- asphaltsealed trap
- asphyxia
- asphyxiant
- asphyxiant action
- asphyxiant gas
- asphyxiation
- aspic
- aspic herring
- aspidate
- aspidin
- aspidistra
- aspidium
- aspido branchia