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   irradiate

   /ɪˈreɪdɪeɪt/

   verb

   • 1. expose (someone or something) to radiation. Similar treat with radiationexpose to radiationX-ray
   • ▪ expose (food) to gamma rays to kill microorganisms.
   • 2. illuminate (something) by or as if by shining light on it: "happiness filled her, irradiating her whole face" Similar illuminatelight uplightbrightencast light uponthrow light onshine onflood with lightliterary:illumine

   Word Origin late 16th century (in the sense ‘emit rays, shine upon’): from Latin irradiat- ‘shone upon’, from the verb irradiare, from in- ‘upon’ + radiare ‘to shine’ (from radius ‘ray’).

   Derivatives

   • 1. irradiative adjective
   • 2. irradiator noun

   Scrabble Points: 10

   • I

     1

   • R

     1

   • R

     1

   • A

     1

   • D

     2

   • I

     1

   • A

     1

   • T

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   • E

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