单词 | black light |
释义 | black lightnouninvisible infrared or ultraviolet light. Origin of black lightFirst recorded in 1925–30 Words nearby black lightblack land, black lead, blackleg, black letter, black-letter day, black light, black-light trap, black liquor, blacklist, Black Lives Matter, black locust Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for black light
British Dictionary definitions for black lightblack light nounthe invisible electromagnetic radiation in the ultraviolet and infrared regions of the spectrum Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for black lightblack light Invisible ultraviolet radiation. Black light causes certain fluorescent materials to emit visible light. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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