substage /subˈstāj/

1. Apparatus under the stage of a microscope
2. A division of a stage (esp geology)

• bitternesses
• bitterns
• bitter orange
• bitter oranges
• bitter-pit
• bitter-root
• bitters
• bitter-spar
• bittersweet
• bittersweets
• bitter vetch
• bitterwood
• bitterwoods
• bittie
• bittier
• bitties
• bittiest
• bitting
• bittock
• bittocks
• bittor
• bittors
• bittour
• bittours
• bitts