protectant

[ pruh-tek-tuhnt ]

noun

1. a substance, as a chemical spray, that provides protection, as against insects, frost, rust, etc.; protective agent.

protectant

/ prəˈtɛktənt /

noun

1. a chemical substance that affords protection, as against frost, rust, insects, etc

Word History and Origins

Origin of protectant¹

1660–70, for an earlier sense; protect + -ant

Example Sentences

While some materials used in hair tools are better when it comes to preventing hair damage, it’s always important to prep your hair with a heat protectant and to make sure your hair is completely dry prior to using your curling iron.

From Popular-Science

As a seed protectant, juglone is unsuitable because of its inherent toxicity to the non-cutinzed root surfaces.

From Project Gutenberg