phototherapy

(fōt′ō t̸herə pē)

noun

the use of sunlight, lamps, or lasers to treat skin disorders, depression, etc.

Related Forms:

See phototherapy in American Heritage Dictionary 4

noun pl. pho·to·ther·a·pies
The treatment of a disorder, especially of the skin, by exposure to light, including ultraviolet and infrared radiation.

Related Forms:

  • phoˌto·therˌa·peuˈtic (-thĕrˌə-pyo͞oˈtĭk) adjective

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