irradiate

verb ir·ra·di·ate \ i-ˈrā-dē-ˌāt \
Updated on: 20 Nov 2017

Definition of irradiate

irradiated; irradiating
transitive verb
1 a : to cast rays of light upon : illuminate
b : to enlighten intellectually or spiritually
c : to affect or treat by radiant energy (such as heat); specifically : to treat by irradiation
2 : to emit like rays of light : radiate
  • irradiating strength and comfort
intransitive verb
archaic : to emit rays : shine

irradiative

play \i-ˈrā-dē-ˌā-tiv\ adjective

irradiator

play \i-ˈrā-dē-ˌā-tər\ noun

Examples of irradiate in a Sentence

  1. The food was irradiated to kill any germs.

  2. the light from a galaxy of flashing signs irradiates the heart and soul of Las Vegas

Recent Examples of irradiate from the Web

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.

Origin and Etymology of irradiate

Latin irradiatus, past participle of irradiare, from in- + radius ray


IRRADIATE Defined for English Language Learners

irradiate

verb

Definition of irradiate for English Language Learners

  • : to expose (someone or something) to radiation


IRRADIATE Defined for Kids

irradiate

verb ir·ra·di·ate \ i-ˈrā-dē-ˌāt \

Definition of irradiate for Students

irradiated; irradiating
1 : to cast rays of light on
2 : to treat by exposure to radiation (as X-rays)

Medical Dictionary

irradiate

transitive verb ir·ra·di·ate \ ir-ˈād-ē-ˌāt \

medical Definition of irradiate

irradiated; irradiating
: to affect or treat by radiant energy (as heat); specifically : to treat by exposure to radiation (as ultraviolet light or gamma rays)


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