|phototherapy or phototherapeutics (ˌfəʊtəʊˈθɛrəpɪ, ˌfəʊtəʊˌθɛrəˈpjuːtɪks)|
|(functioning as singular) the use of light in the treatment of disease|
|phototherapeutics or phototherapeutics|
|photothera'peutic or phototherapeutics|
|photothera'peutically or phototherapeutics|
phototherapy pho·to·ther·a·py (fō'tō-thěr'ə-pē)
The treatment of a disorder, especially of the skin, by exposure to light, including ultraviolet and infrared radiation. Also called light treatment.