lighttreatment

noun
UK /ˈlaɪt ˌtriːtmənt/
US /ˈlaɪt ˌtriːtmənt/

A way to help someone feel better by shining special light on them.

The doctor used lighttreatment to help the baby's skin heal.


OTHER MEANINGS

2. A gentle way of cleaning or caring for something using light instead of strong chemicals.

The lab used lighttreatment to kill germs on the tools.

3. A short, easy session of bright light used to lift a person's mood.

She sat by the bright lamp for her morning lighttreatment.

4. A method of making a material stronger or smoother by shining light on it.

The factory gave the new paint a lighttreatment so it would dry fast.