photodynamic

/ (ˌfəʊtəʊdaɪˈnæmɪk) /

adjective

of or concerned with photodynamics
involving or producing an adverse or toxic reaction to light, esp ultraviolet light
med denoting a therapy for cancer in which a cytotoxic drug is activated by a laser beam

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Which of the following animal names traces its immediate origin to Portuguese?
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Medical definitions for photodynamic

photodynamic
[ fō′tō-dī-nămĭk ]

adj.

Of or relating to the energy of light.
Enhancing the effects of or inducing a toxic reaction to light, especially to ultraviolet light.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.