light therapy

noun

Definition of light therapy

:the treatment of medical or psychiatric conditions (such as seasonal affective disorder) by the controlled application of light called also light treatment, phototherapy

First Known Use of light therapy

1935


Medical Dictionary

light therapy

noun

medical Definition of light therapy

: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

Seen and Heard

What made you want to look up light therapy? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to speak evil of

Get Word of the Day daily email!

Test Your Vocabulary

Forms of Government Quiz

  • knupfer-painting-solon-before-croesus
  • A gerontocracy is rule by:
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!