Wood's lamp

Wood's lamp definition - medical

Wood's lamp (wo͝odz)

noun
An ultraviolet lamp with a nickel oxide filter that only allows light with a maximal wavelength of about 3660 angstroms to be emitted; it is used to detect hairs that are infected with Microsporum fungi.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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