1. Wind in the upper atmosphere blowing above but in the opposite direction from the trade winds

1. Winds blowing from west to east and lying above the trade winds in the tropics
   - antitrade wind

Type of: prevailing wind

• achylia
• achylia gastrica
• 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