1. a substance that protects against damage, decay, or harmful effects

Examples

• The wood protectant helps prevent rot and insect damage.
• Apply a UV protectant to your car’s dashboard to prevent fading.
• The fabric protectant makes the upholstery resistant to stains.
• Farmers use crop protectants to shield plants from pests and disease.
• This skin protectant creates a barrier against harsh weather.
• The metal protectant prevents rust and corrosion.