Definition of irradiate
- irradiating strength and comfort
The food was irradiated to kill any germs.
the light from a galaxy of flashing signs irradiates the heart and soul of Las Vegas
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'irradiate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 1603See Words from the same year
: to expose (someone or something) to radiation
What made you want to look up irradiate? Please tell us where you read or heard it (including the quote, if possible).
Merriam-Webster's New Words Quiz—Fall 2017 Edition!
Test your vocabulary with our 10-question quiz!TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.TAKE THE QUIZ