Wood's light Hear it!

Wood's light definition

☆ Wood's light (wo̵odz)

ultraviolet light filtered through glass containing nickel oxide, used in detecting forgeries, in detecting microbes in hair, etc.

Etymology: after R. W. Wood (1868-1955), U.S. physicist

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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