1. Slender aspen native to North America
   - American quaking aspen, Populus tremuloides

Type of: aspen

• acicula
• acicular
• aciculate
• acid
• acid anhydrides
• acid dye
• acid halide
• acid head
• acid hydrogen
• acid precipitation
• acid rain
• acid rock
• acid test
• acid value
• acid-base balance
• acid-base equilibrium
• acid-base indicator
• acid-fast
• acid-forming
• acid-loving
• acid-tasting
• acid-wash
• acidemia
• acidic
• acidic hydrogen