Definition of infrared
- infrared therapy
- infrared sensors that detect body heat
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'infrared.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
What made you want to look up infrared? Please tell us where you read or heard it (including the quote, if possible).
having a quality expressive of sadness
Get Word of the Day daily email!