Definition of irradiate in English:

irradiate

verb

[with object]

1Expose (someone or something) to radiation.
- ‘The cells were then irradiated with white light as described previously.’
- ‘Depending on which elements are being tested for, the samples are irradiated with energetic neutrons.’
- ‘The samples were irradiated at the Radiation Center of Oregon State University, USA.’
- ‘The mixtures on ice were irradiated with UVA.’
- ‘The cells are then irradiated with the laser and the cancer cells are selectively destroyed.’
- ‘The cells were irradiated with UVB, and the medium was reapplied to the cells.’
- ‘The samples of cellular suspension were irradiated in special glass sample cells.’
- ‘In LPP, a metal tape target is irradiated with a high-energy laser beam to produce an x-ray-emitting plasma.’
- ‘Then, using an electron accelerator, the researchers irradiated the fragments with electron beams.’
- ‘The suspension was then irradiated with increasing UVA doses under gentle shaking in a controlled temperature bath.’
- ‘Protein irradiated in the absence of sensitizers did not show any additional bands on the gel.’
- ‘Cells were blocked in G1 phase by factor treatment and were UV irradiated.’
- ‘Cells were then immediately irradiated with the requisite light dose.’
- ‘Apparently the US Army spent twenty years trying to make a dirty bomb and they gave up, because they couldn't get it to irradiate anyone.’
- ‘The samples were irradiated at McMaster reactor for 50 hours.’
- ‘Mice were irradiated unrestrained in their boxes, with the wire cage tops removed.’
- ‘Cultures were immediately irradiated with a UV dose of 27 J / m.’
- ‘For linkage analysis, self-pollinated progeny of the two plants were UVB irradiated for F 4 progeny testing.’
- ‘A2E and cholesterol were incorporated into lipid micelles and irradiated with blue light.’
treat with radiation, expose to radiation, x-ray
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1. 1.1 Expose (food) to gamma rays to kill microorganisms.
  ‘The U.S. Department of Agriculture last year approved the use of irradiated ground beef in the National School Lunch Program.’
  ‘Seeds were imbibed in water for 24 hr and then gamma irradiated at 10 krad.’
  ‘When food is irradiated, a concentrated source of short ionizing energy waves is used.’
  ‘In Britain, food regulations currently allow only herbs, spices and vegetable seasonings to be irradiated.’
  ‘Frying, baking, canning, drying, irradiating - these all kill enzymes.’
  ‘Most herbs and spices from warm countries, common ingredients in supplements, are irradiated to kill any bacteria from insects or birds which might infect them when they are spread out on floors to be dried.’
  ‘In fact, American astronauts aboard the Space Shuttle have eaten irradiated beef, pork and smoked turkey.’
  ‘There has been talk of evaporative heat and irradiation, but I I doubt New Zealand would accept irradiated fruit.’
  ‘I've heard that some foods are now being irradiated.’
  ‘Cobalt 60 and Cesium 137 are the radiation sources used to irradiate food.’
  ‘For example, restaurants, schools and hospitals are not required to notify the public if they are serving irradiated foods.’
  ‘One hundred plump seeds were irradiated with 35 krad gamma rays.’
  ‘A further concern is a fear that the facility will be used to irradiate food.’
  ‘Levels of the carcinogen benzene in irradiated beef were found to be some ten-fold higher than cooked beef.’
  ‘What about irradiating meat to kill germs (e.coli, etc.)?’
  ‘Seeds of wild type and uvh1-2 were gamma irradiated at 10 krad.’
  ‘Food can be irradiated through a sealed container, sterilizing the contents.’
  ‘For example, the industry is still fighting mandatory labels on the irradiated meat products that may appear in supermarkets this summer.’
  ‘Now even tofu is likely to be tainted with genetically modified organisms, and your favorite natural tabouli mix may contain irradiated herbs and spices.’
  ‘Herbs, spices, herbal teas and tropical fruits can now be irradiated under Australian and NZ food guidelines.’
2Illuminate (something) by or as if by shining light on it.
‘happiness filled her, irradiating her whole face’
- ‘The TV irradiates the apartment with a ghostly blue light.’
- ‘No sooner had I done this, than, with a bright smile irradiating all his features, he fell back upon his pillow and expired.’
- ‘We are called to be salt and light, preserving and irradiating this dark, decaying world with the grace of God in our Lord Jesus Christ.’
- ‘For the eternal light, irradiating the human mind, makes a certain active impression on it.’
illuminate, light up, light, brighten, cast light upon, throw light on, shine on, flood with light
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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’).