| 单词 | uv index |
| 释义 | UV indexnouna measure, on a scale of 0 to 11, of the intensity of ultraviolet radiation from the sun at the sun's highest point on a particular day in a particular place, a higher number indicating greater exposure. Words nearby UV indexuveoparotid fever, uveoscleritis, UVF, UV filter, uviform, UV index, uvula, uvula cerebelli, uvula palatina, uvular, uvula vermis Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for UV indexUV index [ yōō′vē′ ] n.A scale ranging from zero to ten, used in estimating the risk for sunburn that an unprotected fair-skinned person would have if exposed to the ultraviolet radiation in midday sunlight. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for UV indexUV index [ yōō′vē′ ] A scale ranging from 0 to 10, used to estimate the risk for sunburn in midday sunlight, with 0 indicating no risk and 10 indicating maximal risk. The UV index is effectively a rough measure of the amount of harmful ultraviolet radiation in the sunlight reaching the Earth's surface at a given location, given the time of year and current atmospheric conditions, expressed in terms of the risks that are associated with exposure to that amount of radiation. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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