1. Plural of extender; devices or tools that make something longer or reach farther.
Usage: Most common sense; used in everyday contexts
2. Substances added to a product to increase its volume or duration without changing its primary function.
Usage: Technical/commercial use; common in manufacturing and food production
3. Electrical cords or cables with plugs that allow devices to reach outlets at greater distances.
Usage: Common household term

Examples

• The painter used ladder extenders to reach the high ceiling safely.
• WiFi extenders can boost your internet signal throughout the house.
• The recipe calls for extenders like breadcrumbs to stretch the meat mixture.
• We plugged the lamp into one of the electrical extenders in the living room.
• Muscle extenders are used in physical therapy to improve flexibility.
• The furniture store sells table extenders to make dining tables larger.