abaxial
abnormality
aboveground
abrasion
abrasion resistance
absorb, v.
absorption
accelerate
accept
accessory
accident
accommodate
according to
accuracy
achieve
acorn
across the grain
adaxial
additional
additive
adhesive
adjustable
adjusting
advantage
adverse effect
age
air-dried
airborne chips and dust
aircraft
aligned
allow
along the grain
alpine region
alternate
alternate branching pattern
ambient
anchoring
angiosperm
anisotropic
annual
annual/growth rings
apart
apical dominance
appearance
appropriate
approximately
arbor
arise v. (arose, arisen)
arm
aromatic
arsenic
artificial
artisanal
ash
ash-forming minerals
assembly
assessment
assimilate
assimilation
atmosphere
attached
attack
attraction
available
average
average noise level
avoid
awareness
axis, pl. axes