sunscreen

noun

sun·​screen ˈsən-ˌskrēn 

1

: a screen to protect against sun

2

: a preparation (such as a lotion) applied to the skin to prevent sunburn (as by chemically absorbing ultraviolet radiation)

also : its active ingredient (as benzophenone) compare sunblock

sunscreening

ˈsən-ˌskrē-niŋ 

adjective

Examples of sunscreen in a Sentence

Recent Examples on the Web

To help prevent them from forming, wear a broad-spectrum sunscreen daily with a sun protection factor (SPF) of at least 30. —Laura Schober, Health, 12 Jan. 2025

Their projects included testing electrolytes in different drinks, identifying ingredients in sunscreen and designing solar panels that rotate to capture the most energy. —Noah Lyons, San Diego Union-Tribune, 11 Jan. 2025

Chemical sunscreens lose their effectiveness after spending time in a hot car, and creams and nail polishes can separate. —Brandee Gruener, Southern Living, 8 Jan. 2025

Wear sunscreen and shower early Wear sunscreen, no matter the weather. —Aislyn Greene, AFAR Media, 8 Jan. 2025

Word History

First Known Use

1738, in the meaning defined at sense 1

Kids Definition

sunscreen

noun

sun·​screen -ˌskrēn 

: a preparation (as a lotion) applied to the skin to prevent sunburn (as by chemically absorbing the sun's rays)

Medical Definition

sunscreen

noun

sun·​screen -ˌskrēn 

: a preparation (as a lotion) applied to the skin to prevent sunburn (as by chemically absorbing ultraviolet radiation)

also : its active ingredient (as benzophenone) compare sunblock

sunscreening adjective