noun
- a cream or lotion applied to the skin to protect it from the sun’s harmful ultraviolet rays
Examples
- Apply sunblock before going to the beach.
- The dermatologist recommended using sunblock with SPF 30 or higher.
- Don’t forget to reapply sunblock every two hours.
- She packed sunblock for their tropical vacation.
- The lifeguard reminded swimmers to wear sunblock.
- Waterproof sunblock is best for swimming.
- He got sunburned because he forgot his sunblock.