Recent Examples of ultraviolet from the Web
The key components to this new method of detection are an ordinary smartphone, some special software downloaded onto the phone, a box made from Lego bricks, ultraviolet light, a standard 96-well test plate– and a special sauce, so to speak.
Free radicals are created by environmental pollutants and ultraviolet radiation.
Methane is also quickly broken down by ultraviolet radiation, so any of the gas discovered on Mars was probably released recently.
Because ultraviolet radiation and oxidizing compounds in the martian soil would destroy any compounds exposed at the surface, Curiosity's scientists used a robotic drill to penetrate several centimeters into the mudstone.
Meanwhile, stricter approval standards in the U.S. have brought innovation to a standstill and limited options to defend against the sun's harmful ultraviolet radiation.
The sun emits two types of ultraviolet radiation that reach the Earth: UVA and UVB, both of which damage DNA in the skin.
Chromium also absorbs ultraviolet wavelengths of light, but re-emits some of it at a lower energy in the red wavelengths.
Grinspoon is especially intrigued by Venusian clouds that sometimes display unexplained markings of dark, ultraviolet-absorbing particles.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ultraviolet.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
ULTRAVIOLET Defined for English Language Learners
Definition of ultraviolet for English Language Learners
—used to describe rays of light that cannot be seen and that are slightly shorter than the rays of violet light
ULTRAVIOLET Defined for Kids
Definition of ultraviolet for Students
medical Definition of ultraviolet
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