-
- To save this word, you'll need to log in.
light therapy
noun
: the treatment of medical or psychiatric conditions (such as seasonal affective disorder) by the controlled application of light
called also light treatment, phototherapy
Examples of light therapy in a Sentence
Recent Examples on the Web
Find it on Amazon A Blue Light Therapy Mask to Treat Acne
Treat your acne fast with this non-abrasive blue light therapy mask.
—Hannah Rice, Rolling Stone, 22 Nov. 2024
This powerful, palm-sized tool hits the town on stubborn breakouts with a potent blend of blue (415 nm) and red (630 nm) light therapies.
—Christa Joanna Lee, Allure, 21 Nov. 2024
Among other amenities, the resort will have floor-to-ceiling glass windows, ski-in/ski-out access, cryotherapy, light therapy, and a hyperbaric chamber.
—Madeline Fitzgerald, Quartz, 4 Nov. 2024
But aside from providing Jason Voorhees-from-the-future photo ops, LED light therapy masks promise a more lasting impression: glowy skin with less acne.
—Erika Stalder, refinery29.com, 24 Oct. 2024
See all Example Sentences for light therapy
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
First Known Use
1987, in the meaning defined above
Dictionary Entries Near light therapy
Cite this Entry
“Light therapy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20therapy. Accessed 4 Dec. 2024.
Medical Definition
light therapy
noun
: phototherapy
especially
: the use of strong light (as of 10,000 lux intensity) for the treatment of depression and gloom (as in seasonal affective disorder)
called also light treatment
Love words? Need even more definitions?
Merriam-Webster unabridged
Share