UVB
Americannoun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
At SPF 30, a sunscreen already blocks 97% of UVB rays.
From The Wall Street Journal ● Jul. 3, 2026
Like sunlight, the lamps emit two different types of ultraviolet wavelengths: UVA, which are longer and penetrate more deeply into the skin, and UVB, which are shorter and more easily burn the outer layers.
From Los Angeles Times ● May 6, 2026
This tells you the percentage of UVA radiation that is absorbed by the sunscreen in comparison to how much UVB is absorbed.
From BBC ● Jun. 30, 2025
The first key insight is that ambient UVB emerges as a critical predictor of vitamin D status, even in a place like the UK, which receives relatively little sunlight.
From Science Daily ● May 2, 2024
Longer-wavelength UVA rays penetrate deeper into the skin than shorter-wavelength UVB rays, although both types are known to cause skin cancer.
From Scientific American ● Sep. 6, 2023
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
