1. Capable of being transformed into a diagonal matrix
   - diagonalizable

Encyclopedia: Diagonalisable

• Red Sun
• Red Tai
• red tape
• red tide
• red trillium
• red underwing
• red valerian
• red water
• red willow
• red wine
• red wolf
• red worm
• red-backed lemming
• red-backed mouse
• red-backed sandpiper
• red-bellied snake
• red-bellied terrapin
• red-bellied turtle
• red-berried elder
• red-blind
• red-blindness
• red-blooded
• red-breasted merganser
• red-breasted nuthatch
• red-breasted sapsucker