microdot /mīˈkrə-dot/

1. A photograph of usu secret material reduced to the size of a large dot
2. A small pill containing concentrated LSD (slang)

• axion
• axions
• axis
• axis cylinder
• axis cylinders
• axises
• axis of incidence
• axis of refraction
• axis of the equator
• axle
• axle-box
• axle-boxes
• axle-guard
• axle-guards
• axles
• axle-tree
• axle-trees
• axman
• Axminster
• axoid
• axoids
• axolotl
• axolotls
• axon
• axonal