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

• lifeboatman
• lifeboatmen
• lifeboats
• lifebuoy
• lifebuoys
• life class
• life classes
• life coach
• life coaches
• life cycle
• life cycles
• life-estate
• lumberjacket
• lumberjacks
• lumberly
• lumberman
• lumbermen
• lumber-mill
• lumber-mills
• lumber-pie
• lumber-pies
• lumber room
• lumber rooms
• lumbers
• lumbersome