derate /dē-rātˈ/

1. To relieve (wholly or partially) from paying local rates
2. To reduce the maximum capacity ratings of (a piece of electrical equipment) to allow for deterioration, etc

deratˈing noun

• top-level
• topline
• toplined
• topliner
• topliners
• toplines
• toplining
• toploftical
• toploftily
• toploftiness
• toploftinesses
• toplofty
• topmaker
• topmakers
• topmaking
• topmakings
• topman
• topmast
• topmasts
• topmen
• topminnow
• topminnows
• topmost
• top-notch
• top-notcher